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Finding the Fourth Proportional to 498,702.97, 748,128.27 and 183,135.27

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Solution

The fourth proportional to 498,702.97, 748,128.27 and 183,135.27 is: 274,730.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,702.97 : 748,128.27 = 183,135.27 : x
  2. Step 2: Convert to fraction form
    498,702.97/748,128.27 = 183,135.27/x
  3. Step 3: Cross multiply
    498,702.97x = 748,128.27 × 183,135.27
  4. Step 4: Simplify right side
    498,702.97x = 137,008,672,721.08
  5. Step 5: Solve for x
    x = 137,008,672,721.08/498,702.97
  6. Step 6: Final answer
    x = 274,730.01

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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.