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Finding the Fourth Proportional to 492,837.60, 739,256.40 and 177,304.80

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Solution

The fourth proportional to 492,837.60, 739,256.40 and 177,304.80 is: 265,957.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,837.60 : 739,256.40 = 177,304.80 : x
  2. Step 2: Convert to fraction form
    492,837.60/739,256.40 = 177,304.80/x
  3. Step 3: Cross multiply
    492,837.60x = 739,256.40 × 177,304.80
  4. Step 4: Simplify right side
    492,837.60x = 131,073,708,150.72
  5. Step 5: Solve for x
    x = 131,073,708,150.72/492,837.60
  6. Step 6: Final answer
    x = 265,957.20

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1.5x scale

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.