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Finding the Fourth Proportional to 499,248.33, 688,962.24 and 269,805.48

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Solution

The fourth proportional to 499,248.33, 688,962.24 and 269,805.48 is: 372,331.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,248.33 : 688,962.24 = 269,805.48 : x
  2. Step 2: Convert to fraction form
    499,248.33/688,962.24 = 269,805.48/x
  3. Step 3: Cross multiply
    499,248.33x = 688,962.24 × 269,805.48
  4. Step 4: Simplify right side
    499,248.33x = 185,885,787,865.08
  5. Step 5: Solve for x
    x = 185,885,787,865.08/499,248.33
  6. Step 6: Final answer
    x = 372,331.32

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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.