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Finding the Fourth Proportional to 996,679.80, 1,495,019.70 and 730,959.30

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Solution

The fourth proportional to 996,679.80, 1,495,019.70 and 730,959.30 is: 1,096,438.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,679.80 : 1,495,019.70 = 730,959.30 : x
  2. Step 2: Convert to fraction form
    996,679.80/1,495,019.70 = 730,959.30/x
  3. Step 3: Cross multiply
    996,679.80x = 1,495,019.70 × 730,959.30
  4. Step 4: Simplify right side
    996,679.80x = 1,092,798,553,398.21
  5. Step 5: Solve for x
    x = 1,092,798,553,398.21/996,679.80
  6. Step 6: Final answer
    x = 1,096,438.95

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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.