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Finding the Fourth Proportional to 588,892.80, 883,339.20 and 145,660.80

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Solution

The fourth proportional to 588,892.80, 883,339.20 and 145,660.80 is: 218,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,892.80 : 883,339.20 = 145,660.80 : x
  2. Step 2: Convert to fraction form
    588,892.80/883,339.20 = 145,660.80/x
  3. Step 3: Cross multiply
    588,892.80x = 883,339.20 × 145,660.80
  4. Step 4: Simplify right side
    588,892.80x = 128,667,894,543.36
  5. Step 5: Solve for x
    x = 128,667,894,543.36/588,892.80
  6. Step 6: Final answer
    x = 218,491.20

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Half scale
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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.