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Finding the Fourth Proportional to 375,514.80, 563,087.88 and 185,755.92

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Solution

The fourth proportional to 375,514.80, 563,087.88 and 185,755.92 is: 278,542.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,514.80 : 563,087.88 = 185,755.92 : x
  2. Step 2: Convert to fraction form
    375,514.80/563,087.88 = 185,755.92/x
  3. Step 3: Cross multiply
    375,514.80x = 563,087.88 × 185,755.92
  4. Step 4: Simplify right side
    375,514.80x = 104,596,907,190.25
  5. Step 5: Solve for x
    x = 104,596,907,190.25/375,514.80
  6. Step 6: Final answer
    x = 278,542.70

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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.