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Finding the Fourth Proportional to 616,081.40, 924,429.30 and 350,046.20

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Solution

The fourth proportional to 616,081.40, 924,429.30 and 350,046.20 is: 525,243.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,081.40 : 924,429.30 = 350,046.20 : x
  2. Step 2: Convert to fraction form
    616,081.40/924,429.30 = 350,046.20/x
  3. Step 3: Cross multiply
    616,081.40x = 924,429.30 × 350,046.20
  4. Step 4: Simplify right side
    616,081.40x = 323,592,963,633.66
  5. Step 5: Solve for x
    x = 323,592,963,633.66/616,081.40
  6. Step 6: Final answer
    x = 525,243.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.