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Finding the Fourth Proportional to 352,799.60, 528,810.60 and 195,141.20

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Solution

The fourth proportional to 352,799.60, 528,810.60 and 195,141.20 is: 292,496.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,799.60 : 528,810.60 = 195,141.20 : x
  2. Step 2: Convert to fraction form
    352,799.60/528,810.60 = 195,141.20/x
  3. Step 3: Cross multiply
    352,799.60x = 528,810.60 × 195,141.20
  4. Step 4: Simplify right side
    352,799.60x = 103,192,735,056.72
  5. Step 5: Solve for x
    x = 103,192,735,056.72/352,799.60
  6. Step 6: Final answer
    x = 292,496.75

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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.