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Finding the Fourth Proportional to 295,138.20, 442,707.30 and 73,522.20

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Solution

The fourth proportional to 295,138.20, 442,707.30 and 73,522.20 is: 110,283.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,138.20 : 442,707.30 = 73,522.20 : x
  2. Step 2: Convert to fraction form
    295,138.20/442,707.30 = 73,522.20/x
  3. Step 3: Cross multiply
    295,138.20x = 442,707.30 × 73,522.20
  4. Step 4: Simplify right side
    295,138.20x = 32,548,814,652.06
  5. Step 5: Solve for x
    x = 32,548,814,652.06/295,138.20
  6. Step 6: Final answer
    x = 110,283.30

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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.