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Finding the Fourth Proportional to 352,123.60, 528,258.96 and 115,447.60

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Solution

The fourth proportional to 352,123.60, 528,258.96 and 115,447.60 is: 173,195.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,123.60 : 528,258.96 = 115,447.60 : x
  2. Step 2: Convert to fraction form
    352,123.60/528,258.96 = 115,447.60/x
  3. Step 3: Cross multiply
    352,123.60x = 528,258.96 × 115,447.60
  4. Step 4: Simplify right side
    352,123.60x = 60,986,229,110.50
  5. Step 5: Solve for x
    x = 60,986,229,110.50/352,123.60
  6. Step 6: Final answer
    x = 173,195.52

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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.