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Finding the Fourth Proportional to 558,838.17, 838,287.63 and 159,448.23

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Solution

The fourth proportional to 558,838.17, 838,287.63 and 159,448.23 is: 239,181.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,838.17 : 838,287.63 = 159,448.23 : x
  2. Step 2: Convert to fraction form
    558,838.17/838,287.63 = 159,448.23/x
  3. Step 3: Cross multiply
    558,838.17x = 838,287.63 × 159,448.23
  4. Step 4: Simplify right side
    558,838.17x = 133,663,478,834.40
  5. Step 5: Solve for x
    x = 133,663,478,834.40/558,838.17
  6. Step 6: Final answer
    x = 239,181.01

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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.