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Finding the Fourth Proportional to 247,650.72, 341,583.12 and 152,211.12

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Solution

The fourth proportional to 247,650.72, 341,583.12 and 152,211.12 is: 209,943.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,650.72 : 341,583.12 = 152,211.12 : x
  2. Step 2: Convert to fraction form
    247,650.72/341,583.12 = 152,211.12/x
  3. Step 3: Cross multiply
    247,650.72x = 341,583.12 × 152,211.12
  4. Step 4: Simplify right side
    247,650.72x = 51,992,749,268.29
  5. Step 5: Solve for x
    x = 51,992,749,268.29/247,650.72
  6. Step 6: Final answer
    x = 209,943.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.