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Finding the Fourth Proportional to 238,527.40, 357,619.20 and 120,282.16

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Solution

The fourth proportional to 238,527.40, 357,619.20 and 120,282.16 is: 180,336.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,527.40 : 357,619.20 = 120,282.16 : x
  2. Step 2: Convert to fraction form
    238,527.40/357,619.20 = 120,282.16/x
  3. Step 3: Cross multiply
    238,527.40x = 357,619.20 × 120,282.16
  4. Step 4: Simplify right side
    238,527.40x = 43,015,209,833.47
  5. Step 5: Solve for x
    x = 43,015,209,833.47/238,527.40
  6. Step 6: Final answer
    x = 180,336.56

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1.5x scale

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.