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Finding the Fourth Proportional to 624,954.35, 862,432.71 and 338,467.88

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Solution

The fourth proportional to 624,954.35, 862,432.71 and 338,467.88 is: 467,083.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,954.35 : 862,432.71 = 338,467.88 : x
  2. Step 2: Convert to fraction form
    624,954.35/862,432.71 = 338,467.88/x
  3. Step 3: Cross multiply
    624,954.35x = 862,432.71 × 338,467.88
  4. Step 4: Simplify right side
    624,954.35x = 291,905,770,996.36
  5. Step 5: Solve for x
    x = 291,905,770,996.36/624,954.35
  6. Step 6: Final answer
    x = 467,083.35

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1.5x scale

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.