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Finding the Fourth Proportional to 376,845.48, 520,040.88 and 207,075.96

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Solution

The fourth proportional to 376,845.48, 520,040.88 and 207,075.96 is: 285,761.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,845.48 : 520,040.88 = 207,075.96 : x
  2. Step 2: Convert to fraction form
    376,845.48/520,040.88 = 207,075.96/x
  3. Step 3: Cross multiply
    376,845.48x = 520,040.88 × 207,075.96
  4. Step 4: Simplify right side
    376,845.48x = 107,687,964,465.25
  5. Step 5: Solve for x
    x = 107,687,964,465.25/376,845.48
  6. Step 6: Final answer
    x = 285,761.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.