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Finding the Fourth Proportional to 318,001.68, 477,165.94 and 175,820.56

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Solution

The fourth proportional to 318,001.68, 477,165.94 and 175,820.56 is: 263,821.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,001.68 : 477,165.94 = 175,820.56 : x
  2. Step 2: Convert to fraction form
    318,001.68/477,165.94 = 175,820.56/x
  3. Step 3: Cross multiply
    318,001.68x = 477,165.94 × 175,820.56
  4. Step 4: Simplify right side
    318,001.68x = 83,895,581,151.26
  5. Step 5: Solve for x
    x = 83,895,581,151.26/318,001.68
  6. Step 6: Final answer
    x = 263,821.19

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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.