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Finding the Fourth Proportional to 650,873.65, 898,180.68 and 356,518.64

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Solution

The fourth proportional to 650,873.65, 898,180.68 and 356,518.64 is: 491,982.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,873.65 : 898,180.68 = 356,518.64 : x
  2. Step 2: Convert to fraction form
    650,873.65/898,180.68 = 356,518.64/x
  3. Step 3: Cross multiply
    650,873.65x = 898,180.68 × 356,518.64
  4. Step 4: Simplify right side
    650,873.65x = 320,218,154,507.88
  5. Step 5: Solve for x
    x = 320,218,154,507.88/650,873.65
  6. Step 6: Final answer
    x = 491,982.05

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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.