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Finding the Fourth Proportional to 313,368.28, 469,872.17 and 167,127.79

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Solution

The fourth proportional to 313,368.28, 469,872.17 and 167,127.79 is: 250,595.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,368.28 : 469,872.17 = 167,127.79 : x
  2. Step 2: Convert to fraction form
    313,368.28/469,872.17 = 167,127.79/x
  3. Step 3: Cross multiply
    313,368.28x = 469,872.17 × 167,127.79
  4. Step 4: Simplify right side
    313,368.28x = 78,528,698,364.25
  5. Step 5: Solve for x
    x = 78,528,698,364.25/313,368.28
  6. Step 6: Final answer
    x = 250,595.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.