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Finding the Fourth Proportional to 344,074.57, 516,280.92 and 154,668.76

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Solution

The fourth proportional to 344,074.57, 516,280.92 and 154,668.76 is: 232,079.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,074.57 : 516,280.92 = 154,668.76 : x
  2. Step 2: Convert to fraction form
    344,074.57/516,280.92 = 154,668.76/x
  3. Step 3: Cross multiply
    344,074.57x = 516,280.92 × 154,668.76
  4. Step 4: Simplify right side
    344,074.57x = 79,852,529,708.06
  5. Step 5: Solve for x
    x = 79,852,529,708.06/344,074.57
  6. Step 6: Final answer
    x = 232,079.14

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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.