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Finding the Fourth Proportional to 259,147.60, 388,775.94 and 146,881.60

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Solution

The fourth proportional to 259,147.60, 388,775.94 and 146,881.60 is: 220,353.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,147.60 : 388,775.94 = 146,881.60 : x
  2. Step 2: Convert to fraction form
    259,147.60/388,775.94 = 146,881.60/x
  3. Step 3: Cross multiply
    259,147.60x = 388,775.94 × 146,881.60
  4. Step 4: Simplify right side
    259,147.60x = 57,104,032,108.70
  5. Step 5: Solve for x
    x = 57,104,032,108.70/259,147.60
  6. Step 6: Final answer
    x = 220,353.31

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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.