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Finding the Fourth Proportional to 315,335.80, 473,003.70 and 268,096.60

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Solution

The fourth proportional to 315,335.80, 473,003.70 and 268,096.60 is: 402,144.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,335.80 : 473,003.70 = 268,096.60 : x
  2. Step 2: Convert to fraction form
    315,335.80/473,003.70 = 268,096.60/x
  3. Step 3: Cross multiply
    315,335.80x = 473,003.70 × 268,096.60
  4. Step 4: Simplify right side
    315,335.80x = 126,810,683,757.42
  5. Step 5: Solve for x
    x = 126,810,683,757.42/315,335.80
  6. Step 6: Final answer
    x = 402,144.90

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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.