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Finding the Fourth Proportional to 502,718.72, 754,083.24 and 147,739.04

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Solution

The fourth proportional to 502,718.72, 754,083.24 and 147,739.04 is: 221,610.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,718.72 : 754,083.24 = 147,739.04 : x
  2. Step 2: Convert to fraction form
    502,718.72/754,083.24 = 147,739.04/x
  3. Step 3: Cross multiply
    502,718.72x = 754,083.24 × 147,739.04
  4. Step 4: Simplify right side
    502,718.72x = 111,407,533,957.69
  5. Step 5: Solve for x
    x = 111,407,533,957.69/502,718.72
  6. Step 6: Final answer
    x = 221,610.08

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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.