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Finding the Fourth Proportional to 463,151.79, 639,160.91 and 259,201.11

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Solution

The fourth proportional to 463,151.79, 639,160.91 and 259,201.11 is: 357,703.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,151.79 : 639,160.91 = 259,201.11 : x
  2. Step 2: Convert to fraction form
    463,151.79/639,160.91 = 259,201.11/x
  3. Step 3: Cross multiply
    463,151.79x = 639,160.91 × 259,201.11
  4. Step 4: Simplify right side
    463,151.79x = 165,671,216,044.61
  5. Step 5: Solve for x
    x = 165,671,216,044.61/463,151.79
  6. Step 6: Final answer
    x = 357,703.93

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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.