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Finding the Fourth Proportional to 322,585.92, 483,889.76 and 112,225.60

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Solution

The fourth proportional to 322,585.92, 483,889.76 and 112,225.60 is: 168,342.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,585.92 : 483,889.76 = 112,225.60 : x
  2. Step 2: Convert to fraction form
    322,585.92/483,889.76 = 112,225.60/x
  3. Step 3: Cross multiply
    322,585.92x = 483,889.76 × 112,225.60
  4. Step 4: Simplify right side
    322,585.92x = 54,304,818,649.86
  5. Step 5: Solve for x
    x = 54,304,818,649.86/322,585.92
  6. Step 6: Final answer
    x = 168,342.19

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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.