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Finding the Fourth Proportional to 262,697.72, 362,541.29 and 149,520.47

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Solution

The fourth proportional to 262,697.72, 362,541.29 and 149,520.47 is: 206,348.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,697.72 : 362,541.29 = 149,520.47 : x
  2. Step 2: Convert to fraction form
    262,697.72/362,541.29 = 149,520.47/x
  3. Step 3: Cross multiply
    262,697.72x = 362,541.29 × 149,520.47
  4. Step 4: Simplify right side
    262,697.72x = 54,207,341,514.90
  5. Step 5: Solve for x
    x = 54,207,341,514.90/262,697.72
  6. Step 6: Final answer
    x = 206,348.74

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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.