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Finding the Fourth Proportional to 295,743.80, 443,615.70 and 162,572.60

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Solution

The fourth proportional to 295,743.80, 443,615.70 and 162,572.60 is: 243,858.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,743.80 : 443,615.70 = 162,572.60 : x
  2. Step 2: Convert to fraction form
    295,743.80/443,615.70 = 162,572.60/x
  3. Step 3: Cross multiply
    295,743.80x = 443,615.70 × 162,572.60
  4. Step 4: Simplify right side
    295,743.80x = 72,119,757,749.82
  5. Step 5: Solve for x
    x = 72,119,757,749.82/295,743.80
  6. Step 6: Final answer
    x = 243,858.90

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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.