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Finding the Fourth Proportional to 282,366.46, 423,425.36 and 132,649.30

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Solution

The fourth proportional to 282,366.46, 423,425.36 and 132,649.30 is: 198,915.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,366.46 : 423,425.36 = 132,649.30 : x
  2. Step 2: Convert to fraction form
    282,366.46/423,425.36 = 132,649.30/x
  3. Step 3: Cross multiply
    282,366.46x = 423,425.36 × 132,649.30
  4. Step 4: Simplify right side
    282,366.46x = 56,167,076,943.00
  5. Step 5: Solve for x
    x = 56,167,076,943.00/282,366.46
  6. Step 6: Final answer
    x = 198,915.54

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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.