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Finding the Fourth Proportional to 461,318.59, 636,605.22 and 270,459.10

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Solution

The fourth proportional to 461,318.59, 636,605.22 and 270,459.10 is: 373,225.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,318.59 : 636,605.22 = 270,459.10 : x
  2. Step 2: Convert to fraction form
    461,318.59/636,605.22 = 270,459.10/x
  3. Step 3: Cross multiply
    461,318.59x = 636,605.22 × 270,459.10
  4. Step 4: Simplify right side
    461,318.59x = 172,175,674,856.50
  5. Step 5: Solve for x
    x = 172,175,674,856.50/461,318.59
  6. Step 6: Final answer
    x = 373,225.10

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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.