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Finding the Fourth Proportional to 342,034.24, 472,007.04 and 191,130.88

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Solution

The fourth proportional to 342,034.24, 472,007.04 and 191,130.88 is: 263,760.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,034.24 : 472,007.04 = 191,130.88 : x
  2. Step 2: Convert to fraction form
    342,034.24/472,007.04 = 191,130.88/x
  3. Step 3: Cross multiply
    342,034.24x = 472,007.04 × 191,130.88
  4. Step 4: Simplify right side
    342,034.24x = 90,215,120,921.40
  5. Step 5: Solve for x
    x = 90,215,120,921.40/342,034.24
  6. Step 6: Final answer
    x = 263,760.50

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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.