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Finding the Fourth Proportional to 592,565.88, 817,734.78 and 320,627.78

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Solution

The fourth proportional to 592,565.88, 817,734.78 and 320,627.78 is: 442,463.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,565.88 : 817,734.78 = 320,627.78 : x
  2. Step 2: Convert to fraction form
    592,565.88/817,734.78 = 320,627.78/x
  3. Step 3: Cross multiply
    592,565.88x = 817,734.78 × 320,627.78
  4. Step 4: Simplify right side
    592,565.88x = 262,188,485,897.42
  5. Step 5: Solve for x
    x = 262,188,485,897.42/592,565.88
  6. Step 6: Final answer
    x = 442,463.01

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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.