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Finding the Fourth Proportional to 265,096.80, 397,645.20 and 153,122.40

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Solution

The fourth proportional to 265,096.80, 397,645.20 and 153,122.40 is: 229,683.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,096.80 : 397,645.20 = 153,122.40 : x
  2. Step 2: Convert to fraction form
    265,096.80/397,645.20 = 153,122.40/x
  3. Step 3: Cross multiply
    265,096.80x = 397,645.20 × 153,122.40
  4. Step 4: Simplify right side
    265,096.80x = 60,888,387,372.48
  5. Step 5: Solve for x
    x = 60,888,387,372.48/265,096.80
  6. Step 6: Final answer
    x = 229,683.60

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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.