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Finding the Fourth Proportional to 316,773.41, 437,037.76 and 240,212.75

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Solution

The fourth proportional to 316,773.41, 437,037.76 and 240,212.75 is: 331,410.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,773.41 : 437,037.76 = 240,212.75 : x
  2. Step 2: Convert to fraction form
    316,773.41/437,037.76 = 240,212.75/x
  3. Step 3: Cross multiply
    316,773.41x = 437,037.76 × 240,212.75
  4. Step 4: Simplify right side
    316,773.41x = 104,982,042,675.50
  5. Step 5: Solve for x
    x = 104,982,042,675.50/316,773.41
  6. Step 6: Final answer
    x = 331,410.52

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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.