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Finding the Fourth Proportional to 624,540.84, 861,866.82 and 338,060.04

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Solution

The fourth proportional to 624,540.84, 861,866.82 and 338,060.04 is: 466,523.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,540.84 : 861,866.82 = 338,060.04 : x
  2. Step 2: Convert to fraction form
    624,540.84/861,866.82 = 338,060.04/x
  3. Step 3: Cross multiply
    624,540.84x = 861,866.82 × 338,060.04
  4. Step 4: Simplify right side
    624,540.84x = 291,362,731,643.87
  5. Step 5: Solve for x
    x = 291,362,731,643.87/624,540.84
  6. Step 6: Final answer
    x = 466,523.10

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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.