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Finding the Fourth Proportional to 316,753.40, 437,119.67 and 173,513.41

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Solution

The fourth proportional to 316,753.40, 437,119.67 and 173,513.41 is: 239,448.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,753.40 : 437,119.67 = 173,513.41 : x
  2. Step 2: Convert to fraction form
    316,753.40/437,119.67 = 173,513.41/x
  3. Step 3: Cross multiply
    316,753.40x = 437,119.67 × 173,513.41
  4. Step 4: Simplify right side
    316,753.40x = 75,846,123,860.76
  5. Step 5: Solve for x
    x = 75,846,123,860.76/316,753.40
  6. Step 6: Final answer
    x = 239,448.49

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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.