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Finding the Fourth Proportional to 284,304.70, 426,098.90 and 248,681.20

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Solution

The fourth proportional to 284,304.70, 426,098.90 and 248,681.20 is: 372,708.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,304.70 : 426,098.90 = 248,681.20 : x
  2. Step 2: Convert to fraction form
    284,304.70/426,098.90 = 248,681.20/x
  3. Step 3: Cross multiply
    284,304.70x = 426,098.90 × 248,681.20
  4. Step 4: Simplify right side
    284,304.70x = 105,962,785,770.68
  5. Step 5: Solve for x
    x = 105,962,785,770.68/284,304.70
  6. Step 6: Final answer
    x = 372,708.53

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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.