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Finding the Fourth Proportional to 353,785.32, 488,223.42 and 192,641.52

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Solution

The fourth proportional to 353,785.32, 488,223.42 and 192,641.52 is: 265,845.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,785.32 : 488,223.42 = 192,641.52 : x
  2. Step 2: Convert to fraction form
    353,785.32/488,223.42 = 192,641.52/x
  3. Step 3: Cross multiply
    353,785.32x = 488,223.42 × 192,641.52
  4. Step 4: Simplify right side
    353,785.32x = 94,052,102,836.83
  5. Step 5: Solve for x
    x = 94,052,102,836.83/353,785.32
  6. Step 6: Final answer
    x = 265,845.13

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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.