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Finding the Fourth Proportional to 527,932.14, 728,220.15 and 324,016.26

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Solution

The fourth proportional to 527,932.14, 728,220.15 and 324,016.26 is: 446,942.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,932.14 : 728,220.15 = 324,016.26 : x
  2. Step 2: Convert to fraction form
    527,932.14/728,220.15 = 324,016.26/x
  3. Step 3: Cross multiply
    527,932.14x = 728,220.15 × 324,016.26
  4. Step 4: Simplify right side
    527,932.14x = 235,955,169,459.64
  5. Step 5: Solve for x
    x = 235,955,169,459.64/527,932.14
  6. Step 6: Final answer
    x = 446,942.23

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Half scale
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Double scale
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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.