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Finding the Fourth Proportional to 295,404.40, 442,847.40 and 177,122.80

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Solution

The fourth proportional to 295,404.40, 442,847.40 and 177,122.80 is: 265,528.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,404.40 : 442,847.40 = 177,122.80 : x
  2. Step 2: Convert to fraction form
    295,404.40/442,847.40 = 177,122.80/x
  3. Step 3: Cross multiply
    295,404.40x = 442,847.40 × 177,122.80
  4. Step 4: Simplify right side
    295,404.40x = 78,438,371,460.72
  5. Step 5: Solve for x
    x = 78,438,371,460.72/295,404.40
  6. Step 6: Final answer
    x = 265,528.79

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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.