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Finding the Fourth Proportional to 624,322.75, 861,571.54 and 337,848.98

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Solution

The fourth proportional to 624,322.75, 861,571.54 and 337,848.98 is: 466,234.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,322.75 : 861,571.54 = 337,848.98 : x
  2. Step 2: Convert to fraction form
    624,322.75/861,571.54 = 337,848.98/x
  3. Step 3: Cross multiply
    624,322.75x = 861,571.54 × 337,848.98
  4. Step 4: Simplify right side
    624,322.75x = 291,081,064,296.78
  5. Step 5: Solve for x
    x = 291,081,064,296.78/624,322.75
  6. Step 6: Final answer
    x = 466,234.92

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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.