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Finding the Fourth Proportional to 476,976.48, 715,497.84 and 161,326.68

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Solution

The fourth proportional to 476,976.48, 715,497.84 and 161,326.68 is: 242,001.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,976.48 : 715,497.84 = 161,326.68 : x
  2. Step 2: Convert to fraction form
    476,976.48/715,497.84 = 161,326.68/x
  3. Step 3: Cross multiply
    476,976.48x = 715,497.84 × 161,326.68
  4. Step 4: Simplify right side
    476,976.48x = 115,428,891,074.37
  5. Step 5: Solve for x
    x = 115,428,891,074.37/476,976.48
  6. Step 6: Final answer
    x = 242,001.22

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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.