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Finding the Fourth Proportional to 307,266.76, 460,899.60 and 120,147.04

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Solution

The fourth proportional to 307,266.76, 460,899.60 and 120,147.04 is: 180,220.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,266.76 : 460,899.60 = 120,147.04 : x
  2. Step 2: Convert to fraction form
    307,266.76/460,899.60 = 120,147.04/x
  3. Step 3: Cross multiply
    307,266.76x = 460,899.60 × 120,147.04
  4. Step 4: Simplify right side
    307,266.76x = 55,375,722,677.18
  5. Step 5: Solve for x
    x = 55,375,722,677.18/307,266.76
  6. Step 6: Final answer
    x = 180,220.35

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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.