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Finding the Fourth Proportional to 342,800.67, 472,844.46 and 215,254.83

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Solution

The fourth proportional to 342,800.67, 472,844.46 and 215,254.83 is: 296,913.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,800.67 : 472,844.46 = 215,254.83 : x
  2. Step 2: Convert to fraction form
    342,800.67/472,844.46 = 215,254.83/x
  3. Step 3: Cross multiply
    342,800.67x = 472,844.46 × 215,254.83
  4. Step 4: Simplify right side
    342,800.67x = 101,782,053,853.74
  5. Step 5: Solve for x
    x = 101,782,053,853.74/342,800.67
  6. Step 6: Final answer
    x = 296,913.23

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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.