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Finding the Fourth Proportional to 577,145.15, 865,676.67 and 177,744.27

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Solution

The fourth proportional to 577,145.15, 865,676.67 and 177,744.27 is: 266,603.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,145.15 : 865,676.67 = 177,744.27 : x
  2. Step 2: Convert to fraction form
    577,145.15/865,676.67 = 177,744.27/x
  3. Step 3: Cross multiply
    577,145.15x = 865,676.67 × 177,744.27
  4. Step 4: Simplify right side
    577,145.15x = 153,869,070,344.93
  5. Step 5: Solve for x
    x = 153,869,070,344.93/577,145.15
  6. Step 6: Final answer
    x = 266,603.77

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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.