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Finding the Fourth Proportional to 624,778.52, 936,941.78 and 225,312.03

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Solution

The fourth proportional to 624,778.52, 936,941.78 and 225,312.03 is: 337,886.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,778.52 : 936,941.78 = 225,312.03 : x
  2. Step 2: Convert to fraction form
    624,778.52/936,941.78 = 225,312.03/x
  3. Step 3: Cross multiply
    624,778.52x = 936,941.78 × 225,312.03
  4. Step 4: Simplify right side
    624,778.52x = 211,104,255,006.89
  5. Step 5: Solve for x
    x = 211,104,255,006.89/624,778.52
  6. Step 6: Final answer
    x = 337,886.55

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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.