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Finding the Fourth Proportional to 283,901.94, 391,116.24 and 235,321.38

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Solution

The fourth proportional to 283,901.94, 391,116.24 and 235,321.38 is: 324,189.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,901.94 : 391,116.24 = 235,321.38 : x
  2. Step 2: Convert to fraction form
    283,901.94/391,116.24 = 235,321.38/x
  3. Step 3: Cross multiply
    283,901.94x = 391,116.24 × 235,321.38
  4. Step 4: Simplify right side
    283,901.94x = 92,038,013,337.21
  5. Step 5: Solve for x
    x = 92,038,013,337.21/283,901.94
  6. Step 6: Final answer
    x = 324,189.45

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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.