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Finding the Fourth Proportional to 576,882.69, 865,406.04 and 177,556.74

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Solution

The fourth proportional to 576,882.69, 865,406.04 and 177,556.74 is: 266,360.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,882.69 : 865,406.04 = 177,556.74 : x
  2. Step 2: Convert to fraction form
    576,882.69/865,406.04 = 177,556.74/x
  3. Step 3: Cross multiply
    576,882.69x = 865,406.04 × 177,556.74
  4. Step 4: Simplify right side
    576,882.69x = 153,658,675,238.71
  5. Step 5: Solve for x
    x = 153,658,675,238.71/576,882.69
  6. Step 6: Final answer
    x = 266,360.35

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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.