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Finding the Fourth Proportional to 476,881.91, 715,323.13 and 177,323.57

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Solution

The fourth proportional to 476,881.91, 715,323.13 and 177,323.57 is: 265,985.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,881.91 : 715,323.13 = 177,323.57 : x
  2. Step 2: Convert to fraction form
    476,881.91/715,323.13 = 177,323.57/x
  3. Step 3: Cross multiply
    476,881.91x = 715,323.13 × 177,323.57
  4. Step 4: Simplify right side
    476,881.91x = 126,843,646,651.94
  5. Step 5: Solve for x
    x = 126,843,646,651.94/476,881.91
  6. Step 6: Final answer
    x = 265,985.44

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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.