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Finding the Fourth Proportional to 303,239.76, 454,393.08 and 178,443.60

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Solution

The fourth proportional to 303,239.76, 454,393.08 and 178,443.60 is: 267,390.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,239.76 : 454,393.08 = 178,443.60 : x
  2. Step 2: Convert to fraction form
    303,239.76/454,393.08 = 178,443.60/x
  3. Step 3: Cross multiply
    303,239.76x = 454,393.08 × 178,443.60
  4. Step 4: Simplify right side
    303,239.76x = 81,083,537,010.29
  5. Step 5: Solve for x
    x = 81,083,537,010.29/303,239.76
  6. Step 6: Final answer
    x = 267,390.85

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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.