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Finding the Fourth Proportional to 504,028.30, 756,042.45 and 291,451.90

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Solution

The fourth proportional to 504,028.30, 756,042.45 and 291,451.90 is: 437,177.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,028.30 : 756,042.45 = 291,451.90 : x
  2. Step 2: Convert to fraction form
    504,028.30/756,042.45 = 291,451.90/x
  3. Step 3: Cross multiply
    504,028.30x = 756,042.45 × 291,451.90
  4. Step 4: Simplify right side
    504,028.30x = 220,350,008,533.16
  5. Step 5: Solve for x
    x = 220,350,008,533.16/504,028.30
  6. Step 6: Final answer
    x = 437,177.85

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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.