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Finding the Fourth Proportional to 295,556.60, 443,399.70 and 145,868.60

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Solution

The fourth proportional to 295,556.60, 443,399.70 and 145,868.60 is: 218,834.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,556.60 : 443,399.70 = 145,868.60 : x
  2. Step 2: Convert to fraction form
    295,556.60/443,399.70 = 145,868.60/x
  3. Step 3: Cross multiply
    295,556.60x = 443,399.70 × 145,868.60
  4. Step 4: Simplify right side
    295,556.60x = 64,678,093,479.42
  5. Step 5: Solve for x
    x = 64,678,093,479.42/295,556.60
  6. Step 6: Final answer
    x = 218,834.88

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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.