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Finding the Fourth Proportional to 579,207.24, 799,327.62 and 324,549

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Solution

The fourth proportional to 579,207.24, 799,327.62 and 324,549 is: 447,889.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,207.24 : 799,327.62 = 324,549 : x
  2. Step 2: Convert to fraction form
    579,207.24/799,327.62 = 324,549/x
  3. Step 3: Cross multiply
    579,207.24x = 799,327.62 × 324,549
  4. Step 4: Simplify right side
    579,207.24x = 259,420,979,743.38
  5. Step 5: Solve for x
    x = 259,420,979,743.38/579,207.24
  6. Step 6: Final answer
    x = 447,889.74

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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.