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Finding the Fourth Proportional to 338,932.61, 467,301.45 and 248,130.93

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Solution

The fourth proportional to 338,932.61, 467,301.45 and 248,130.93 is: 342,109.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,932.61 : 467,301.45 = 248,130.93 : x
  2. Step 2: Convert to fraction form
    338,932.61/467,301.45 = 248,130.93/x
  3. Step 3: Cross multiply
    338,932.61x = 467,301.45 × 248,130.93
  4. Step 4: Simplify right side
    338,932.61x = 115,951,943,378.85
  5. Step 5: Solve for x
    x = 115,951,943,378.85/338,932.61
  6. Step 6: Final answer
    x = 342,109.14

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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.