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Finding the Fourth Proportional to 696,409.65, 960,691.62 and 454,833.63

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Solution

The fourth proportional to 696,409.65, 960,691.62 and 454,833.63 is: 627,439.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,409.65 : 960,691.62 = 454,833.63 : x
  2. Step 2: Convert to fraction form
    696,409.65/960,691.62 = 454,833.63/x
  3. Step 3: Cross multiply
    696,409.65x = 960,691.62 × 454,833.63
  4. Step 4: Simplify right side
    696,409.65x = 436,954,856,835.18
  5. Step 5: Solve for x
    x = 436,954,856,835.18/696,409.65
  6. Step 6: Final answer
    x = 627,439.41

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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.