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Finding the Fourth Proportional to 502,097.20, 752,908.20 and 291,799.60

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Solution

The fourth proportional to 502,097.20, 752,908.20 and 291,799.60 is: 437,561.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,097.20 : 752,908.20 = 291,799.60 : x
  2. Step 2: Convert to fraction form
    502,097.20/752,908.20 = 291,799.60/x
  3. Step 3: Cross multiply
    502,097.20x = 752,908.20 × 291,799.60
  4. Step 4: Simplify right side
    502,097.20x = 219,698,311,596.72
  5. Step 5: Solve for x
    x = 219,698,311,596.72/502,097.20
  6. Step 6: Final answer
    x = 437,561.32

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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.