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Finding the Fourth Proportional to 669,842.13, 924,153.51 and 415,100.37

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Solution

The fourth proportional to 669,842.13, 924,153.51 and 415,100.37 is: 572,696.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,842.13 : 924,153.51 = 415,100.37 : x
  2. Step 2: Convert to fraction form
    669,842.13/924,153.51 = 415,100.37/x
  3. Step 3: Cross multiply
    669,842.13x = 924,153.51 × 415,100.37
  4. Step 4: Simplify right side
    669,842.13x = 383,616,463,937.80
  5. Step 5: Solve for x
    x = 383,616,463,937.80/669,842.13
  6. Step 6: Final answer
    x = 572,696.83

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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.