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Finding the Fourth Proportional to 616,630.20, 924,945.30 and 476,489.40

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Solution

The fourth proportional to 616,630.20, 924,945.30 and 476,489.40 is: 714,734.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,630.20 : 924,945.30 = 476,489.40 : x
  2. Step 2: Convert to fraction form
    616,630.20/924,945.30 = 476,489.40/x
  3. Step 3: Cross multiply
    616,630.20x = 924,945.30 × 476,489.40
  4. Step 4: Simplify right side
    616,630.20x = 440,726,631,029.82
  5. Step 5: Solve for x
    x = 440,726,631,029.82/616,630.20
  6. Step 6: Final answer
    x = 714,734.10

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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.