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Finding the Fourth Proportional to 338,497.75, 467,126.90 and 187,604.47

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Solution

The fourth proportional to 338,497.75, 467,126.90 and 187,604.47 is: 258,894.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,497.75 : 467,126.90 = 187,604.47 : x
  2. Step 2: Convert to fraction form
    338,497.75/467,126.90 = 187,604.47/x
  3. Step 3: Cross multiply
    338,497.75x = 467,126.90 × 187,604.47
  4. Step 4: Simplify right side
    338,497.75x = 87,635,094,497.24
  5. Step 5: Solve for x
    x = 87,635,094,497.24/338,497.75
  6. Step 6: Final answer
    x = 258,894.17

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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.