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Finding the Fourth Proportional to 235,372.32, 352,925.57 and 215,287.60

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Solution

The fourth proportional to 235,372.32, 352,925.57 and 215,287.60 is: 322,809.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,372.32 : 352,925.57 = 215,287.60 : x
  2. Step 2: Convert to fraction form
    235,372.32/352,925.57 = 215,287.60/x
  3. Step 3: Cross multiply
    235,372.32x = 352,925.57 × 215,287.60
  4. Step 4: Simplify right side
    235,372.32x = 75,980,497,360.72
  5. Step 5: Solve for x
    x = 75,980,497,360.72/235,372.32
  6. Step 6: Final answer
    x = 322,809.82

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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.