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Finding the Fourth Proportional to 564,161.87, 846,382.87 and 279,985.79

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Solution

The fourth proportional to 564,161.87, 846,382.87 and 279,985.79 is: 420,048.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,161.87 : 846,382.87 = 279,985.79 : x
  2. Step 2: Convert to fraction form
    564,161.87/846,382.87 = 279,985.79/x
  3. Step 3: Cross multiply
    564,161.87x = 846,382.87 × 279,985.79
  4. Step 4: Simplify right side
    564,161.87x = 236,975,176,499.42
  5. Step 5: Solve for x
    x = 236,975,176,499.42/564,161.87
  6. Step 6: Final answer
    x = 420,048.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.