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Finding the Fourth Proportional to 375,539.52, 560,577.51 and 347,786.49

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Solution

The fourth proportional to 375,539.52, 560,577.51 and 347,786.49 is: 519,149.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,539.52 : 560,577.51 = 347,786.49 : x
  2. Step 2: Convert to fraction form
    375,539.52/560,577.51 = 347,786.49/x
  3. Step 3: Cross multiply
    375,539.52x = 560,577.51 × 347,786.49
  4. Step 4: Simplify right side
    375,539.52x = 194,961,284,575.84
  5. Step 5: Solve for x
    x = 194,961,284,575.84/375,539.52
  6. Step 6: Final answer
    x = 519,149.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.