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Finding the Fourth Proportional to 342,191.63, 472,227.50 and 189,240.10

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Solution

The fourth proportional to 342,191.63, 472,227.50 and 189,240.10 is: 261,153.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,191.63 : 472,227.50 = 189,240.10 : x
  2. Step 2: Convert to fraction form
    342,191.63/472,227.50 = 189,240.10/x
  3. Step 3: Cross multiply
    342,191.63x = 472,227.50 × 189,240.10
  4. Step 4: Simplify right side
    342,191.63x = 89,364,378,615.28
  5. Step 5: Solve for x
    x = 89,364,378,615.28/342,191.63
  6. Step 6: Final answer
    x = 261,153.02

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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.