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Finding the Fourth Proportional to 592,397.67, 817,506.30 and 320,464.88

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Solution

The fourth proportional to 592,397.67, 817,506.30 and 320,464.88 is: 442,240.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,397.67 : 817,506.30 = 320,464.88 : x
  2. Step 2: Convert to fraction form
    592,397.67/817,506.30 = 320,464.88/x
  3. Step 3: Cross multiply
    592,397.67x = 817,506.30 × 320,464.88
  4. Step 4: Simplify right side
    592,397.67x = 261,982,062,596.14
  5. Step 5: Solve for x
    x = 261,982,062,596.14/592,397.67
  6. Step 6: Final answer
    x = 442,240.20

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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.