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Finding the Fourth Proportional to 367,065.30, 550,921.95 and 217,118.10

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Solution

The fourth proportional to 367,065.30, 550,921.95 and 217,118.10 is: 325,868.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,065.30 : 550,921.95 = 217,118.10 : x
  2. Step 2: Convert to fraction form
    367,065.30/550,921.95 = 217,118.10/x
  3. Step 3: Cross multiply
    367,065.30x = 550,921.95 × 217,118.10
  4. Step 4: Simplify right side
    367,065.30x = 119,615,127,032.30
  5. Step 5: Solve for x
    x = 119,615,127,032.30/367,065.30
  6. Step 6: Final answer
    x = 325,868.80

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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.