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Finding the Fourth Proportional to 302,309.48, 453,269.82 and 144,534.44

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Solution

The fourth proportional to 302,309.48, 453,269.82 and 144,534.44 is: 216,708.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,309.48 : 453,269.82 = 144,534.44 : x
  2. Step 2: Convert to fraction form
    302,309.48/453,269.82 = 144,534.44/x
  3. Step 3: Cross multiply
    302,309.48x = 453,269.82 × 144,534.44
  4. Step 4: Simplify right side
    302,309.48x = 65,513,099,602.60
  5. Step 5: Solve for x
    x = 65,513,099,602.60/302,309.48
  6. Step 6: Final answer
    x = 216,708.72

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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.