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Finding the Fourth Proportional to 264,002.48, 396,044.40 and 86,466.68

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Solution

The fourth proportional to 264,002.48, 396,044.40 and 86,466.68 is: 129,713.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,002.48 : 396,044.40 = 86,466.68 : x
  2. Step 2: Convert to fraction form
    264,002.48/396,044.40 = 86,466.68/x
  3. Step 3: Cross multiply
    264,002.48x = 396,044.40 × 86,466.68
  4. Step 4: Simplify right side
    264,002.48x = 34,244,644,400.59
  5. Step 5: Solve for x
    x = 34,244,644,400.59/264,002.48
  6. Step 6: Final answer
    x = 129,713.34

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1.5x scale

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.