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Finding the Fourth Proportional to 353,642.34, 488,037.36 and 192,508.20

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Solution

The fourth proportional to 353,642.34, 488,037.36 and 192,508.20 is: 265,667.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,642.34 : 488,037.36 = 192,508.20 : x
  2. Step 2: Convert to fraction form
    353,642.34/488,037.36 = 192,508.20/x
  3. Step 3: Cross multiply
    353,642.34x = 488,037.36 × 192,508.20
  4. Step 4: Simplify right side
    353,642.34x = 93,951,193,706.35
  5. Step 5: Solve for x
    x = 93,951,193,706.35/353,642.34
  6. Step 6: Final answer
    x = 265,667.27

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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.