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Finding the Fourth Proportional to 461,637.80, 637,166.43 and 270,712.70

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Solution

The fourth proportional to 461,637.80, 637,166.43 and 270,712.70 is: 373,645.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,637.80 : 637,166.43 = 270,712.70 : x
  2. Step 2: Convert to fraction form
    461,637.80/637,166.43 = 270,712.70/x
  3. Step 3: Cross multiply
    461,637.80x = 637,166.43 × 270,712.70
  4. Step 4: Simplify right side
    461,637.80x = 172,489,044,614.66
  5. Step 5: Solve for x
    x = 172,489,044,614.66/461,637.80
  6. Step 6: Final answer
    x = 373,645.84

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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.