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Finding the Fourth Proportional to 240,834.40, 360,862.80 and 151,928.80

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Solution

The fourth proportional to 240,834.40, 360,862.80 and 151,928.80 is: 227,647.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,834.40 : 360,862.80 = 151,928.80 : x
  2. Step 2: Convert to fraction form
    240,834.40/360,862.80 = 151,928.80/x
  3. Step 3: Cross multiply
    240,834.40x = 360,862.80 × 151,928.80
  4. Step 4: Simplify right side
    240,834.40x = 54,825,452,168.64
  5. Step 5: Solve for x
    x = 54,825,452,168.64/240,834.40
  6. Step 6: Final answer
    x = 227,647.93

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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.