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Finding the Fourth Proportional to 463,227.86, 639,224.76 and 259,244.35

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Solution

The fourth proportional to 463,227.86, 639,224.76 and 259,244.35 is: 357,740.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,227.86 : 639,224.76 = 259,244.35 : x
  2. Step 2: Convert to fraction form
    463,227.86/639,224.76 = 259,244.35/x
  3. Step 3: Cross multiply
    463,227.86x = 639,224.76 × 259,244.35
  4. Step 4: Simplify right side
    463,227.86x = 165,715,406,784.21
  5. Step 5: Solve for x
    x = 165,715,406,784.21/463,227.86
  6. Step 6: Final answer
    x = 357,740.59

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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.