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Finding the Fourth Proportional to 616,042.10, 924,063.15 and 403,465.70

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Solution

The fourth proportional to 616,042.10, 924,063.15 and 403,465.70 is: 605,198.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,042.10 : 924,063.15 = 403,465.70 : x
  2. Step 2: Convert to fraction form
    616,042.10/924,063.15 = 403,465.70/x
  3. Step 3: Cross multiply
    616,042.10x = 924,063.15 × 403,465.70
  4. Step 4: Simplify right side
    616,042.10x = 372,827,785,658.96
  5. Step 5: Solve for x
    x = 372,827,785,658.96/616,042.10
  6. Step 6: Final answer
    x = 605,198.55

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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.