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Finding the Fourth Proportional to 617,565.60, 926,348.40 and 611,660.70

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Solution

The fourth proportional to 617,565.60, 926,348.40 and 611,660.70 is: 917,491.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,565.60 : 926,348.40 = 611,660.70 : x
  2. Step 2: Convert to fraction form
    617,565.60/926,348.40 = 611,660.70/x
  3. Step 3: Cross multiply
    617,565.60x = 926,348.40 × 611,660.70
  4. Step 4: Simplify right side
    617,565.60x = 566,610,910,787.88
  5. Step 5: Solve for x
    x = 566,610,910,787.88/617,565.60
  6. Step 6: Final answer
    x = 917,491.05

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Similar ratio
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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.