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Finding the Fourth Proportional to 302,747.60, 453,732.60 and 144,635.60

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Solution

The fourth proportional to 302,747.60, 453,732.60 and 144,635.60 is: 216,767.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,747.60 : 453,732.60 = 144,635.60 : x
  2. Step 2: Convert to fraction form
    302,747.60/453,732.60 = 144,635.60/x
  3. Step 3: Cross multiply
    302,747.60x = 453,732.60 × 144,635.60
  4. Step 4: Simplify right side
    302,747.60x = 65,625,886,840.56
  5. Step 5: Solve for x
    x = 65,625,886,840.56/302,747.60
  6. Step 6: Final answer
    x = 216,767.65

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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.