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Finding the Fourth Proportional to 274,292.58, 411,332.50 and 94,343.79

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Solution

The fourth proportional to 274,292.58, 411,332.50 and 94,343.79 is: 141,479.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,292.58 : 411,332.50 = 94,343.79 : x
  2. Step 2: Convert to fraction form
    274,292.58/411,332.50 = 94,343.79/x
  3. Step 3: Cross multiply
    274,292.58x = 411,332.50 × 94,343.79
  4. Step 4: Simplify right side
    274,292.58x = 38,806,667,000.18
  5. Step 5: Solve for x
    x = 38,806,667,000.18/274,292.58
  6. Step 6: Final answer
    x = 141,479.10

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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.