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Finding the Fourth Proportional to 663,252.96, 914,362.29 and 560,867.67

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Solution

The fourth proportional to 663,252.96, 914,362.29 and 560,867.67 is: 773,213.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,252.96 : 914,362.29 = 560,867.67 : x
  2. Step 2: Convert to fraction form
    663,252.96/914,362.29 = 560,867.67/x
  3. Step 3: Cross multiply
    663,252.96x = 914,362.29 × 560,867.67
  4. Step 4: Simplify right side
    663,252.96x = 512,836,247,128.16
  5. Step 5: Solve for x
    x = 512,836,247,128.16/663,252.96
  6. Step 6: Final answer
    x = 773,213.66

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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.