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Finding the Fourth Proportional to 416,995.56, 626,359.86 and 337,123.80

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Solution

The fourth proportional to 416,995.56, 626,359.86 and 337,123.80 is: 506,386.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,995.56 : 626,359.86 = 337,123.80 : x
  2. Step 2: Convert to fraction form
    416,995.56/626,359.86 = 337,123.80/x
  3. Step 3: Cross multiply
    416,995.56x = 626,359.86 × 337,123.80
  4. Step 4: Simplify right side
    416,995.56x = 211,160,816,170.67
  5. Step 5: Solve for x
    x = 211,160,816,170.67/416,995.56
  6. Step 6: Final answer
    x = 506,386.25

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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.