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Finding the Fourth Proportional to 373,505.72, 560,258.22 and 136,866.92

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Solution

The fourth proportional to 373,505.72, 560,258.22 and 136,866.92 is: 205,300.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,505.72 : 560,258.22 = 136,866.92 : x
  2. Step 2: Convert to fraction form
    373,505.72/560,258.22 = 136,866.92/x
  3. Step 3: Cross multiply
    373,505.72x = 560,258.22 × 136,866.92
  4. Step 4: Simplify right side
    373,505.72x = 76,680,816,976.08
  5. Step 5: Solve for x
    x = 76,680,816,976.08/373,505.72
  6. Step 6: Final answer
    x = 205,300.25

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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.