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Finding the Fourth Proportional to 492,126.41, 738,269.12 and 207,859.69

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Solution

The fourth proportional to 492,126.41, 738,269.12 and 207,859.69 is: 311,823.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,126.41 : 738,269.12 = 207,859.69 : x
  2. Step 2: Convert to fraction form
    492,126.41/738,269.12 = 207,859.69/x
  3. Step 3: Cross multiply
    492,126.41x = 738,269.12 × 207,859.69
  4. Step 4: Simplify right side
    492,126.41x = 153,456,387,534.80
  5. Step 5: Solve for x
    x = 153,456,387,534.80/492,126.41
  6. Step 6: Final answer
    x = 311,823.11

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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.