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Finding the Fourth Proportional to 302,706.63, 453,748.41 and 134,306.28

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Solution

The fourth proportional to 302,706.63, 453,748.41 and 134,306.28 is: 201,321.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,706.63 : 453,748.41 = 134,306.28 : x
  2. Step 2: Convert to fraction form
    302,706.63/453,748.41 = 134,306.28/x
  3. Step 3: Cross multiply
    302,706.63x = 453,748.41 × 134,306.28
  4. Step 4: Simplify right side
    302,706.63x = 60,941,261,003.01
  5. Step 5: Solve for x
    x = 60,941,261,003.01/302,706.63
  6. Step 6: Final answer
    x = 201,321.20

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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.