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Finding the Fourth Proportional to 577,258.80, 865,888.20 and 567,417.30

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Solution

The fourth proportional to 577,258.80, 865,888.20 and 567,417.30 is: 851,125.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,258.80 : 865,888.20 = 567,417.30 : x
  2. Step 2: Convert to fraction form
    577,258.80/865,888.20 = 567,417.30/x
  3. Step 3: Cross multiply
    577,258.80x = 865,888.20 × 567,417.30
  4. Step 4: Simplify right side
    577,258.80x = 491,319,944,545.86
  5. Step 5: Solve for x
    x = 491,319,944,545.86/577,258.80
  6. Step 6: Final answer
    x = 851,125.95

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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.