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Finding the Fourth Proportional to 439,667.82, 606,754.80 and 248,677.38

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Solution

The fourth proportional to 439,667.82, 606,754.80 and 248,677.38 is: 343,182.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,667.82 : 606,754.80 = 248,677.38 : x
  2. Step 2: Convert to fraction form
    439,667.82/606,754.80 = 248,677.38/x
  3. Step 3: Cross multiply
    439,667.82x = 606,754.80 × 248,677.38
  4. Step 4: Simplify right side
    439,667.82x = 150,886,193,966.42
  5. Step 5: Solve for x
    x = 150,886,193,966.42/439,667.82
  6. Step 6: Final answer
    x = 343,182.26

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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.