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Finding the Fourth Proportional to 576,558.78, 864,860.04 and 155,834.82

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Solution

The fourth proportional to 576,558.78, 864,860.04 and 155,834.82 is: 233,758.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,558.78 : 864,860.04 = 155,834.82 : x
  2. Step 2: Convert to fraction form
    576,558.78/864,860.04 = 155,834.82/x
  3. Step 3: Cross multiply
    576,558.78x = 864,860.04 × 155,834.82
  4. Step 4: Simplify right side
    576,558.78x = 134,775,308,658.59
  5. Step 5: Solve for x
    x = 134,775,308,658.59/576,558.78
  6. Step 6: Final answer
    x = 233,758.14

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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.