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Finding the Fourth Proportional to 461,802.10, 637,432.08 and 270,892.66

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Solution

The fourth proportional to 461,802.10, 637,432.08 and 270,892.66 is: 373,917.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,802.10 : 637,432.08 = 270,892.66 : x
  2. Step 2: Convert to fraction form
    461,802.10/637,432.08 = 270,892.66/x
  3. Step 3: Cross multiply
    461,802.10x = 637,432.08 × 270,892.66
  4. Step 4: Simplify right side
    461,802.10x = 172,675,671,720.53
  5. Step 5: Solve for x
    x = 172,675,671,720.53/461,802.10
  6. Step 6: Final answer
    x = 373,917.03

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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.