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Finding the Fourth Proportional to 558,763.92, 838,276 and 159,410.16

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Solution

The fourth proportional to 558,763.92, 838,276 and 159,410.16 is: 239,152.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,763.92 : 838,276 = 159,410.16 : x
  2. Step 2: Convert to fraction form
    558,763.92/838,276 = 159,410.16/x
  3. Step 3: Cross multiply
    558,763.92x = 838,276 × 159,410.16
  4. Step 4: Simplify right side
    558,763.92x = 133,629,711,284.16
  5. Step 5: Solve for x
    x = 133,629,711,284.16/558,763.92
  6. Step 6: Final answer
    x = 239,152.36

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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.