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Finding the Fourth Proportional to 408,374.24, 612,562.08 and 159,056.24

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Solution

The fourth proportional to 408,374.24, 612,562.08 and 159,056.24 is: 238,584.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,374.24 : 612,562.08 = 159,056.24 : x
  2. Step 2: Convert to fraction form
    408,374.24/612,562.08 = 159,056.24/x
  3. Step 3: Cross multiply
    408,374.24x = 612,562.08 × 159,056.24
  4. Step 4: Simplify right side
    408,374.24x = 97,431,821,211.38
  5. Step 5: Solve for x
    x = 97,431,821,211.38/408,374.24
  6. Step 6: Final answer
    x = 238,584.64

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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.