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Finding the Fourth Proportional to 616,422.20, 924,050.10 and 363,896.60

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Solution

The fourth proportional to 616,422.20, 924,050.10 and 363,896.60 is: 545,500.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,422.20 : 924,050.10 = 363,896.60 : x
  2. Step 2: Convert to fraction form
    616,422.20/924,050.10 = 363,896.60/x
  3. Step 3: Cross multiply
    616,422.20x = 924,050.10 × 363,896.60
  4. Step 4: Simplify right side
    616,422.20x = 336,258,689,619.66
  5. Step 5: Solve for x
    x = 336,258,689,619.66/616,422.20
  6. Step 6: Final answer
    x = 545,500.62

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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.