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Finding the Fourth Proportional to 424,571.13, 636,669.72 and 224,844.84

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Solution

The fourth proportional to 424,571.13, 636,669.72 and 224,844.84 is: 337,168.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,571.13 : 636,669.72 = 224,844.84 : x
  2. Step 2: Convert to fraction form
    424,571.13/636,669.72 = 224,844.84/x
  3. Step 3: Cross multiply
    424,571.13x = 636,669.72 × 224,844.84
  4. Step 4: Simplify right side
    424,571.13x = 143,151,901,326.25
  5. Step 5: Solve for x
    x = 143,151,901,326.25/424,571.13
  6. Step 6: Final answer
    x = 337,168.24

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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.