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Finding the Fourth Proportional to 375,665.04, 563,506.56 and 126,347.04

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Solution

The fourth proportional to 375,665.04, 563,506.56 and 126,347.04 is: 189,523.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,665.04 : 563,506.56 = 126,347.04 : x
  2. Step 2: Convert to fraction form
    375,665.04/563,506.56 = 126,347.04/x
  3. Step 3: Cross multiply
    375,665.04x = 563,506.56 × 126,347.04
  4. Step 4: Simplify right side
    375,665.04x = 71,197,385,876.58
  5. Step 5: Solve for x
    x = 71,197,385,876.58/375,665.04
  6. Step 6: Final answer
    x = 189,523.59

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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.