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Finding the Fourth Proportional to 353,451.83, 487,748.96 and 192,307.52

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Solution

The fourth proportional to 353,451.83, 487,748.96 and 192,307.52 is: 265,376.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,451.83 : 487,748.96 = 192,307.52 : x
  2. Step 2: Convert to fraction form
    353,451.83/487,748.96 = 192,307.52/x
  3. Step 3: Cross multiply
    353,451.83x = 487,748.96 × 192,307.52
  4. Step 4: Simplify right side
    353,451.83x = 93,797,789,479.90
  5. Step 5: Solve for x
    x = 93,797,789,479.90/353,451.83
  6. Step 6: Final answer
    x = 265,376.45

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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.