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Finding the Fourth Proportional to 295,791.28, 443,353.76 and 145,713.60

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Solution

The fourth proportional to 295,791.28, 443,353.76 and 145,713.60 is: 218,406.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,791.28 : 443,353.76 = 145,713.60 : x
  2. Step 2: Convert to fraction form
    295,791.28/443,353.76 = 145,713.60/x
  3. Step 3: Cross multiply
    295,791.28x = 443,353.76 × 145,713.60
  4. Step 4: Simplify right side
    295,791.28x = 64,602,672,443.14
  5. Step 5: Solve for x
    x = 64,602,672,443.14/295,791.28
  6. Step 6: Final answer
    x = 218,406.28

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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.