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Finding the Fourth Proportional to 352,488.92, 528,806.61 and 160,271.73

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Solution

The fourth proportional to 352,488.92, 528,806.61 and 160,271.73 is: 240,440.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,488.92 : 528,806.61 = 160,271.73 : x
  2. Step 2: Convert to fraction form
    352,488.92/528,806.61 = 160,271.73/x
  3. Step 3: Cross multiply
    352,488.92x = 528,806.61 × 160,271.73
  4. Step 4: Simplify right side
    352,488.92x = 84,752,750,220.14
  5. Step 5: Solve for x
    x = 84,752,750,220.14/352,488.92
  6. Step 6: Final answer
    x = 240,440.90

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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.