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Finding the Fourth Proportional to 461,127.58, 636,371.89 and 267,520.67

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Solution

The fourth proportional to 461,127.58, 636,371.89 and 267,520.67 is: 369,187.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,127.58 : 636,371.89 = 267,520.67 : x
  2. Step 2: Convert to fraction form
    461,127.58/636,371.89 = 267,520.67/x
  3. Step 3: Cross multiply
    461,127.58x = 636,371.89 × 267,520.67
  4. Step 4: Simplify right side
    461,127.58x = 170,242,638,002.10
  5. Step 5: Solve for x
    x = 170,242,638,002.10/461,127.58
  6. Step 6: Final answer
    x = 369,187.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.