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Finding the Fourth Proportional to 888,906.55, 1,333,359.83 and 652,710.55

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Solution

The fourth proportional to 888,906.55, 1,333,359.83 and 652,710.55 is: 979,065.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,906.55 : 1,333,359.83 = 652,710.55 : x
  2. Step 2: Convert to fraction form
    888,906.55/1,333,359.83 = 652,710.55/x
  3. Step 3: Cross multiply
    888,906.55x = 1,333,359.83 × 652,710.55
  4. Step 4: Simplify right side
    888,906.55x = 870,298,027,987.21
  5. Step 5: Solve for x
    x = 870,298,027,987.21/888,906.55
  6. Step 6: Final answer
    x = 979,065.83

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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.