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Finding the Fourth Proportional to 819,702.10, 1,229,553.15 and 594,003.70

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Solution

The fourth proportional to 819,702.10, 1,229,553.15 and 594,003.70 is: 891,005.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,702.10 : 1,229,553.15 = 594,003.70 : x
  2. Step 2: Convert to fraction form
    819,702.10/1,229,553.15 = 594,003.70/x
  3. Step 3: Cross multiply
    819,702.10x = 1,229,553.15 × 594,003.70
  4. Step 4: Simplify right side
    819,702.10x = 730,359,120,446.66
  5. Step 5: Solve for x
    x = 730,359,120,446.66/819,702.10
  6. Step 6: Final answer
    x = 891,005.55

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1.5x scale

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.