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Finding the Fourth Proportional to 371,219.69, 511,491.86 and 250,150.71

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Solution

The fourth proportional to 371,219.69, 511,491.86 and 250,150.71 is: 344,674.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,219.69 : 511,491.86 = 250,150.71 : x
  2. Step 2: Convert to fraction form
    371,219.69/511,491.86 = 250,150.71/x
  3. Step 3: Cross multiply
    371,219.69x = 511,491.86 × 250,150.71
  4. Step 4: Simplify right side
    371,219.69x = 127,950,050,687.47
  5. Step 5: Solve for x
    x = 127,950,050,687.47/371,219.69
  6. Step 6: Final answer
    x = 344,674.75

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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.