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Finding the Fourth Proportional to 562,057.17, 775,592.08 and 317,028.43

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Solution

The fourth proportional to 562,057.17, 775,592.08 and 317,028.43 is: 437,472.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,057.17 : 775,592.08 = 317,028.43 : x
  2. Step 2: Convert to fraction form
    562,057.17/775,592.08 = 317,028.43/x
  3. Step 3: Cross multiply
    562,057.17x = 775,592.08 × 317,028.43
  4. Step 4: Simplify right side
    562,057.17x = 245,884,739,442.83
  5. Step 5: Solve for x
    x = 245,884,739,442.83/562,057.17
  6. Step 6: Final answer
    x = 437,472.83

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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.