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Finding the Fourth Proportional to 620,432.72, 930,597.24 and 246,355.28

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Solution

The fourth proportional to 620,432.72, 930,597.24 and 246,355.28 is: 369,512.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,432.72 : 930,597.24 = 246,355.28 : x
  2. Step 2: Convert to fraction form
    620,432.72/930,597.24 = 246,355.28/x
  3. Step 3: Cross multiply
    620,432.72x = 930,597.24 × 246,355.28
  4. Step 4: Simplify right side
    620,432.72x = 229,257,543,627.43
  5. Step 5: Solve for x
    x = 229,257,543,627.43/620,432.72
  6. Step 6: Final answer
    x = 369,512.34

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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.