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Finding the Fourth Proportional to 295,471.90, 442,948.65 and 177,190.30

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Solution

The fourth proportional to 295,471.90, 442,948.65 and 177,190.30 is: 265,630.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,471.90 : 442,948.65 = 177,190.30 : x
  2. Step 2: Convert to fraction form
    295,471.90/442,948.65 = 177,190.30/x
  3. Step 3: Cross multiply
    295,471.90x = 442,948.65 × 177,190.30
  4. Step 4: Simplify right side
    295,471.90x = 78,486,204,178.10
  5. Step 5: Solve for x
    x = 78,486,204,178.10/295,471.90
  6. Step 6: Final answer
    x = 265,630.01

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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.