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Finding the Fourth Proportional to 541,028.25, 746,653.55 and 302,564.25

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Solution

The fourth proportional to 541,028.25, 746,653.55 and 302,564.25 is: 417,557.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,028.25 : 746,653.55 = 302,564.25 : x
  2. Step 2: Convert to fraction form
    541,028.25/746,653.55 = 302,564.25/x
  3. Step 3: Cross multiply
    541,028.25x = 746,653.55 × 302,564.25
  4. Step 4: Simplify right side
    541,028.25x = 225,910,669,852.77
  5. Step 5: Solve for x
    x = 225,910,669,852.77/541,028.25
  6. Step 6: Final answer
    x = 417,557.99

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Half scale
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Double scale
Find fourth proportional to 541,029.25, 746,654.93 and 302,565.25
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.