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Finding the Fourth Proportional to 622,074.20, 933,111.30 and 201,651.80

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Solution

The fourth proportional to 622,074.20, 933,111.30 and 201,651.80 is: 302,477.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,074.20 : 933,111.30 = 201,651.80 : x
  2. Step 2: Convert to fraction form
    622,074.20/933,111.30 = 201,651.80/x
  3. Step 3: Cross multiply
    622,074.20x = 933,111.30 × 201,651.80
  4. Step 4: Simplify right side
    622,074.20x = 188,163,573,245.34
  5. Step 5: Solve for x
    x = 188,163,573,245.34/622,074.20
  6. Step 6: Final answer
    x = 302,477.70

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.