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Finding the Fourth Proportional to 476,874.65, 715,201 and 177,496.22

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Solution

The fourth proportional to 476,874.65, 715,201 and 177,496.22 is: 266,203.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,874.65 : 715,201 = 177,496.22 : x
  2. Step 2: Convert to fraction form
    476,874.65/715,201 = 177,496.22/x
  3. Step 3: Cross multiply
    476,874.65x = 715,201 × 177,496.22
  4. Step 4: Simplify right side
    476,874.65x = 126,945,474,040.22
  5. Step 5: Solve for x
    x = 126,945,474,040.22/476,874.65
  6. Step 6: Final answer
    x = 266,203.02

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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.