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Finding the Fourth Proportional to 592,421, 817,540.98 and 324,149

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Solution

The fourth proportional to 592,421, 817,540.98 and 324,149 is: 447,325.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,421 : 817,540.98 = 324,149 : x
  2. Step 2: Convert to fraction form
    592,421/817,540.98 = 324,149/x
  3. Step 3: Cross multiply
    592,421x = 817,540.98 × 324,149
  4. Step 4: Simplify right side
    592,421x = 265,005,091,126.02
  5. Step 5: Solve for x
    x = 265,005,091,126.02/592,421
  6. Step 6: Final answer
    x = 447,325.62

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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.