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Finding the Fourth Proportional to 353,648.84, 488,041.62 and 192,508.52

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Solution

The fourth proportional to 353,648.84, 488,041.62 and 192,508.52 is: 265,665.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,648.84 : 488,041.62 = 192,508.52 : x
  2. Step 2: Convert to fraction form
    353,648.84/488,041.62 = 192,508.52/x
  3. Step 3: Cross multiply
    353,648.84x = 488,041.62 × 192,508.52
  4. Step 4: Simplify right side
    353,648.84x = 93,952,169,964.60
  5. Step 5: Solve for x
    x = 93,952,169,964.60/353,648.84
  6. Step 6: Final answer
    x = 265,665.14

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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.