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Finding the Fourth Proportional to 461,172.60, 636,176.16 and 375,227.69

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Solution

The fourth proportional to 461,172.60, 636,176.16 and 375,227.69 is: 517,617.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,172.60 : 636,176.16 = 375,227.69 : x
  2. Step 2: Convert to fraction form
    461,172.60/636,176.16 = 375,227.69/x
  3. Step 3: Cross multiply
    461,172.60x = 636,176.16 × 375,227.69
  4. Step 4: Simplify right side
    461,172.60x = 238,710,907,768.99
  5. Step 5: Solve for x
    x = 238,710,907,768.99/461,172.60
  6. Step 6: Final answer
    x = 517,617.28

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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.