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Finding the Fourth Proportional to 353,297.88, 487,557.36 and 192,156.48

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Solution

The fourth proportional to 353,297.88, 487,557.36 and 192,156.48 is: 265,179.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,297.88 : 487,557.36 = 192,156.48 : x
  2. Step 2: Convert to fraction form
    353,297.88/487,557.36 = 192,156.48/x
  3. Step 3: Cross multiply
    353,297.88x = 487,557.36 × 192,156.48
  4. Step 4: Simplify right side
    353,297.88x = 93,687,306,095.69
  5. Step 5: Solve for x
    x = 93,687,306,095.69/353,297.88
  6. Step 6: Final answer
    x = 265,179.36

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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.