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Finding the Fourth Proportional to 617,979.30, 927,660.15 and 577,371.30

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Solution

The fourth proportional to 617,979.30, 927,660.15 and 577,371.30 is: 866,702.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,979.30 : 927,660.15 = 577,371.30 : x
  2. Step 2: Convert to fraction form
    617,979.30/927,660.15 = 577,371.30/x
  3. Step 3: Cross multiply
    617,979.30x = 927,660.15 × 577,371.30
  4. Step 4: Simplify right side
    617,979.30x = 535,604,346,763.70
  5. Step 5: Solve for x
    x = 535,604,346,763.70/617,979.30
  6. Step 6: Final answer
    x = 866,702.73

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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.