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Finding the Fourth Proportional to 389,737.96, 584,668.06 and 165,098.92

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Solution

The fourth proportional to 389,737.96, 584,668.06 and 165,098.92 is: 247,674.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,737.96 : 584,668.06 = 165,098.92 : x
  2. Step 2: Convert to fraction form
    389,737.96/584,668.06 = 165,098.92/x
  3. Step 3: Cross multiply
    389,737.96x = 584,668.06 × 165,098.92
  4. Step 4: Simplify right side
    389,737.96x = 96,528,065,264.50
  5. Step 5: Solve for x
    x = 96,528,065,264.50/389,737.96
  6. Step 6: Final answer
    x = 247,674.27

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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.