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Finding the Fourth Proportional to 888,909.30, 1,333,363.95 and 652,713.30

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Solution

The fourth proportional to 888,909.30, 1,333,363.95 and 652,713.30 is: 979,069.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,909.30 : 1,333,363.95 = 652,713.30 : x
  2. Step 2: Convert to fraction form
    888,909.30/1,333,363.95 = 652,713.30/x
  3. Step 3: Cross multiply
    888,909.30x = 1,333,363.95 × 652,713.30
  4. Step 4: Simplify right side
    888,909.30x = 870,304,383,905.54
  5. Step 5: Solve for x
    x = 870,304,383,905.54/888,909.30
  6. Step 6: Final answer
    x = 979,069.95

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Double scale
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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.