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Finding the Fourth Proportional to 616,251.20, 924,376.80 and 349,908.80

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Solution

The fourth proportional to 616,251.20, 924,376.80 and 349,908.80 is: 524,863.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,251.20 : 924,376.80 = 349,908.80 : x
  2. Step 2: Convert to fraction form
    616,251.20/924,376.80 = 349,908.80/x
  3. Step 3: Cross multiply
    616,251.20x = 924,376.80 × 349,908.80
  4. Step 4: Simplify right side
    616,251.20x = 323,447,576,835.84
  5. Step 5: Solve for x
    x = 323,447,576,835.84/616,251.20
  6. Step 6: Final answer
    x = 524,863.20

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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.