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Finding the Fourth Proportional to 592,414.92, 817,530.80 and 320,482.73

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Solution

The fourth proportional to 592,414.92, 817,530.80 and 320,482.73 is: 442,265.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,414.92 : 817,530.80 = 320,482.73 : x
  2. Step 2: Convert to fraction form
    592,414.92/817,530.80 = 320,482.73/x
  3. Step 3: Cross multiply
    592,414.92x = 817,530.80 × 320,482.73
  4. Step 4: Simplify right side
    592,414.92x = 262,004,503,084.50
  5. Step 5: Solve for x
    x = 262,004,503,084.50/592,414.92
  6. Step 6: Final answer
    x = 442,265.20

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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.