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Finding the Fourth Proportional to 522,715.59, 721,601.00 and 350,570.61

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Solution

The fourth proportional to 522,715.59, 721,601.00 and 350,570.61 is: 483,957.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,715.59 : 721,601.00 = 350,570.61 : x
  2. Step 2: Convert to fraction form
    522,715.59/721,601.00 = 350,570.61/x
  3. Step 3: Cross multiply
    522,715.59x = 721,601.00 × 350,570.61
  4. Step 4: Simplify right side
    522,715.59x = 252,972,100,993.76
  5. Step 5: Solve for x
    x = 252,972,100,993.76/522,715.59
  6. Step 6: Final answer
    x = 483,957.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.