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Finding the Fourth Proportional to 412,988.41, 568,862.11 and 291,921.56

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Solution

The fourth proportional to 412,988.41, 568,862.11 and 291,921.56 is: 402,101.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,988.41 : 568,862.11 = 291,921.56 : x
  2. Step 2: Convert to fraction form
    412,988.41/568,862.11 = 291,921.56/x
  3. Step 3: Cross multiply
    412,988.41x = 568,862.11 × 291,921.56
  4. Step 4: Simplify right side
    412,988.41x = 166,063,112,403.67
  5. Step 5: Solve for x
    x = 166,063,112,403.67/412,988.41
  6. Step 6: Final answer
    x = 402,101.14

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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.