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Finding the Fourth Proportional to 353,689.59, 488,097.86 and 192,549.27

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Solution

The fourth proportional to 353,689.59, 488,097.86 and 192,549.27 is: 265,721.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,689.59 : 488,097.86 = 192,549.27 : x
  2. Step 2: Convert to fraction form
    353,689.59/488,097.86 = 192,549.27/x
  3. Step 3: Cross multiply
    353,689.59x = 488,097.86 × 192,549.27
  4. Step 4: Simplify right side
    353,689.59x = 93,982,885,668.82
  5. Step 5: Solve for x
    x = 93,982,885,668.82/353,689.59
  6. Step 6: Final answer
    x = 265,721.38

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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.