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Finding the Fourth Proportional to 342,035.48, 472,005.48 and 191,132.48

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Solution

The fourth proportional to 342,035.48, 472,005.48 and 191,132.48 is: 263,760.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,035.48 : 472,005.48 = 191,132.48 : x
  2. Step 2: Convert to fraction form
    342,035.48/472,005.48 = 191,132.48/x
  3. Step 3: Cross multiply
    342,035.48x = 472,005.48 × 191,132.48
  4. Step 4: Simplify right side
    342,035.48x = 90,215,577,965.99
  5. Step 5: Solve for x
    x = 90,215,577,965.99/342,035.48
  6. Step 6: Final answer
    x = 263,760.88

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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.