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Finding the Fourth Proportional to 302,224.20, 452,817.90 and 144,112.20

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Solution

The fourth proportional to 302,224.20, 452,817.90 and 144,112.20 is: 215,921.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,224.20 : 452,817.90 = 144,112.20 : x
  2. Step 2: Convert to fraction form
    302,224.20/452,817.90 = 144,112.20/x
  3. Step 3: Cross multiply
    302,224.20x = 452,817.90 × 144,112.20
  4. Step 4: Simplify right side
    302,224.20x = 65,256,583,768.38
  5. Step 5: Solve for x
    x = 65,256,583,768.38/302,224.20
  6. Step 6: Final answer
    x = 215,921.11

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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.