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Finding the Fourth Proportional to 295,215.90, 442,933.20 and 117,850.20

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Solution

The fourth proportional to 295,215.90, 442,933.20 and 117,850.20 is: 176,818.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,215.90 : 442,933.20 = 117,850.20 : x
  2. Step 2: Convert to fraction form
    295,215.90/442,933.20 = 117,850.20/x
  3. Step 3: Cross multiply
    295,215.90x = 442,933.20 × 117,850.20
  4. Step 4: Simplify right side
    295,215.90x = 52,199,766,206.64
  5. Step 5: Solve for x
    x = 52,199,766,206.64/295,215.90
  6. Step 6: Final answer
    x = 176,818.95

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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.