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Finding the Fourth Proportional to 235,793.28, 325,341.28 and 197,706.72

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Solution

The fourth proportional to 235,793.28, 325,341.28 and 197,706.72 is: 272,790.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,793.28 : 325,341.28 = 197,706.72 : x
  2. Step 2: Convert to fraction form
    235,793.28/325,341.28 = 197,706.72/x
  3. Step 3: Cross multiply
    235,793.28x = 325,341.28 × 197,706.72
  4. Step 4: Simplify right side
    235,793.28x = 64,322,157,349.40
  5. Step 5: Solve for x
    x = 64,322,157,349.40/235,793.28
  6. Step 6: Final answer
    x = 272,790.46

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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.