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Finding the Fourth Proportional to 435,957.20, 653,957.40 and 226,005.20

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Solution

The fourth proportional to 435,957.20, 653,957.40 and 226,005.20 is: 339,019.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,957.20 : 653,957.40 = 226,005.20 : x
  2. Step 2: Convert to fraction form
    435,957.20/653,957.40 = 226,005.20/x
  3. Step 3: Cross multiply
    435,957.20x = 653,957.40 × 226,005.20
  4. Step 4: Simplify right side
    435,957.20x = 147,797,772,978.48
  5. Step 5: Solve for x
    x = 147,797,772,978.48/435,957.20
  6. Step 6: Final answer
    x = 339,019.00

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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.