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Finding the Fourth Proportional to 240,840.40, 360,871.80 and 151,934.80

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Solution

The fourth proportional to 240,840.40, 360,871.80 and 151,934.80 is: 227,656.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,840.40 : 360,871.80 = 151,934.80 : x
  2. Step 2: Convert to fraction form
    240,840.40/360,871.80 = 151,934.80/x
  3. Step 3: Cross multiply
    240,840.40x = 360,871.80 × 151,934.80
  4. Step 4: Simplify right side
    240,840.40x = 54,828,984,758.64
  5. Step 5: Solve for x
    x = 54,828,984,758.64/240,840.40
  6. Step 6: Final answer
    x = 227,656.92

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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.