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Finding the Fourth Proportional to 664,610.80, 996,916.20 and 588,503.20

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Solution

The fourth proportional to 664,610.80, 996,916.20 and 588,503.20 is: 882,754.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,610.80 : 996,916.20 = 588,503.20 : x
  2. Step 2: Convert to fraction form
    664,610.80/996,916.20 = 588,503.20/x
  3. Step 3: Cross multiply
    664,610.80x = 996,916.20 × 588,503.20
  4. Step 4: Simplify right side
    664,610.80x = 586,688,373,831.84
  5. Step 5: Solve for x
    x = 586,688,373,831.84/664,610.80
  6. Step 6: Final answer
    x = 882,754.80

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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.