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Finding the Fourth Proportional to 622,884.60, 934,326.90 and 498,468.60

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Solution

The fourth proportional to 622,884.60, 934,326.90 and 498,468.60 is: 747,702.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,884.60 : 934,326.90 = 498,468.60 : x
  2. Step 2: Convert to fraction form
    622,884.60/934,326.90 = 498,468.60/x
  3. Step 3: Cross multiply
    622,884.60x = 934,326.90 × 498,468.60
  4. Step 4: Simplify right side
    622,884.60x = 465,732,621,785.34
  5. Step 5: Solve for x
    x = 465,732,621,785.34/622,884.60
  6. Step 6: Final answer
    x = 747,702.90

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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.