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Finding the Fourth Proportional to 649,449.54, 896,162.67 and 359,022.02

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Solution

The fourth proportional to 649,449.54, 896,162.67 and 359,022.02 is: 495,407.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,449.54 : 896,162.67 = 359,022.02 : x
  2. Step 2: Convert to fraction form
    649,449.54/896,162.67 = 359,022.02/x
  3. Step 3: Cross multiply
    649,449.54x = 896,162.67 × 359,022.02
  4. Step 4: Simplify right side
    649,449.54x = 321,742,127,551.18
  5. Step 5: Solve for x
    x = 321,742,127,551.18/649,449.54
  6. Step 6: Final answer
    x = 495,407.43

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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.