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Finding the Fourth Proportional to 425,043.28, 586,560.60 and 234,057.04

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Solution

The fourth proportional to 425,043.28, 586,560.60 and 234,057.04 is: 322,999.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,043.28 : 586,560.60 = 234,057.04 : x
  2. Step 2: Convert to fraction form
    425,043.28/586,560.60 = 234,057.04/x
  3. Step 3: Cross multiply
    425,043.28x = 586,560.60 × 234,057.04
  4. Step 4: Simplify right side
    425,043.28x = 137,288,637,816.62
  5. Step 5: Solve for x
    x = 137,288,637,816.62/425,043.28
  6. Step 6: Final answer
    x = 322,999.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.