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Finding the Fourth Proportional to 518,820.91, 773,073.53 and 462,226.14

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Solution

The fourth proportional to 518,820.91, 773,073.53 and 462,226.14 is: 688,744.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,820.91 : 773,073.53 = 462,226.14 : x
  2. Step 2: Convert to fraction form
    518,820.91/773,073.53 = 462,226.14/x
  3. Step 3: Cross multiply
    518,820.91x = 773,073.53 × 462,226.14
  4. Step 4: Simplify right side
    518,820.91x = 357,334,791,396.94
  5. Step 5: Solve for x
    x = 357,334,791,396.94/518,820.91
  6. Step 6: Final answer
    x = 688,744.01

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.