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Finding the Fourth Proportional to 555,697.89, 833,546.80 and 256,089.82

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Solution

The fourth proportional to 555,697.89, 833,546.80 and 256,089.82 is: 384,134.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,697.89 : 833,546.80 = 256,089.82 : x
  2. Step 2: Convert to fraction form
    555,697.89/833,546.80 = 256,089.82/x
  3. Step 3: Cross multiply
    555,697.89x = 833,546.80 × 256,089.82
  4. Step 4: Simplify right side
    555,697.89x = 213,462,849,973.58
  5. Step 5: Solve for x
    x = 213,462,849,973.58/555,697.89
  6. Step 6: Final answer
    x = 384,134.71

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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.