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Finding the Fourth Proportional to 435,891.78, 653,800.51 and 151,509.32

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Solution

The fourth proportional to 435,891.78, 653,800.51 and 151,509.32 is: 227,251.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,891.78 : 653,800.51 = 151,509.32 : x
  2. Step 2: Convert to fraction form
    435,891.78/653,800.51 = 151,509.32/x
  3. Step 3: Cross multiply
    435,891.78x = 653,800.51 × 151,509.32
  4. Step 4: Simplify right side
    435,891.78x = 99,056,870,057.89
  5. Step 5: Solve for x
    x = 99,056,870,057.89/435,891.78
  6. Step 6: Final answer
    x = 227,251.06

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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.