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Finding the Fourth Proportional to 342,380.29, 472,549.67 and 229,399.33

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Solution

The fourth proportional to 342,380.29, 472,549.67 and 229,399.33 is: 316,614.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,380.29 : 472,549.67 = 229,399.33 : x
  2. Step 2: Convert to fraction form
    342,380.29/472,549.67 = 229,399.33/x
  3. Step 3: Cross multiply
    342,380.29x = 472,549.67 × 229,399.33
  4. Step 4: Simplify right side
    342,380.29x = 108,402,577,689.72
  5. Step 5: Solve for x
    x = 108,402,577,689.72/342,380.29
  6. Step 6: Final answer
    x = 316,614.54

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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.