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Finding the Fourth Proportional to 376,925.26, 520,134.86 and 207,159.52

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Solution

The fourth proportional to 376,925.26, 520,134.86 and 207,159.52 is: 285,868.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,925.26 : 520,134.86 = 207,159.52 : x
  2. Step 2: Convert to fraction form
    376,925.26/520,134.86 = 207,159.52/x
  3. Step 3: Cross multiply
    376,925.26x = 520,134.86 × 207,159.52
  4. Step 4: Simplify right side
    376,925.26x = 107,750,887,932.87
  5. Step 5: Solve for x
    x = 107,750,887,932.87/376,925.26
  6. Step 6: Final answer
    x = 285,868.05

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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.