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Finding the Fourth Proportional to 624,083.20, 936,124.80 and 529,604.80

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Solution

The fourth proportional to 624,083.20, 936,124.80 and 529,604.80 is: 794,407.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,083.20 : 936,124.80 = 529,604.80 : x
  2. Step 2: Convert to fraction form
    624,083.20/936,124.80 = 529,604.80/x
  3. Step 3: Cross multiply
    624,083.20x = 936,124.80 × 529,604.80
  4. Step 4: Simplify right side
    624,083.20x = 495,776,187,479.04
  5. Step 5: Solve for x
    x = 495,776,187,479.04/624,083.20
  6. Step 6: Final answer
    x = 794,407.20

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Similar ratio
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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.