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Finding the Fourth Proportional to 588,812.80, 883,219.20 and 145,580.80

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Solution

The fourth proportional to 588,812.80, 883,219.20 and 145,580.80 is: 218,371.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,812.80 : 883,219.20 = 145,580.80 : x
  2. Step 2: Convert to fraction form
    588,812.80/883,219.20 = 145,580.80/x
  3. Step 3: Cross multiply
    588,812.80x = 883,219.20 × 145,580.80
  4. Step 4: Simplify right side
    588,812.80x = 128,579,757,711.36
  5. Step 5: Solve for x
    x = 128,579,757,711.36/588,812.80
  6. Step 6: Final answer
    x = 218,371.20

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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.