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Finding the Fourth Proportional to 592,565.95, 817,734.87 and 320,627.84

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Solution

The fourth proportional to 592,565.95, 817,734.87 and 320,627.84 is: 442,463.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,565.95 : 817,734.87 = 320,627.84 : x
  2. Step 2: Convert to fraction form
    592,565.95/817,734.87 = 320,627.84/x
  3. Step 3: Cross multiply
    592,565.95x = 817,734.87 × 320,627.84
  4. Step 4: Simplify right side
    592,565.95x = 262,188,565,060.78
  5. Step 5: Solve for x
    x = 262,188,565,060.78/592,565.95
  6. Step 6: Final answer
    x = 442,463.10

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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.