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Finding the Fourth Proportional to 295,805.60, 443,125.20 and 177,124.40

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Solution

The fourth proportional to 295,805.60, 443,125.20 and 177,124.40 is: 265,337.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,805.60 : 443,125.20 = 177,124.40 : x
  2. Step 2: Convert to fraction form
    295,805.60/443,125.20 = 177,124.40/x
  3. Step 3: Cross multiply
    295,805.60x = 443,125.20 × 177,124.40
  4. Step 4: Simplify right side
    295,805.60x = 78,488,285,174.88
  5. Step 5: Solve for x
    x = 78,488,285,174.88/295,805.60
  6. Step 6: Final answer
    x = 265,337.39

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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.