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Finding the Fourth Proportional to 476,873.15, 715,198.75 and 177,494.72

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Solution

The fourth proportional to 476,873.15, 715,198.75 and 177,494.72 is: 266,200.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,873.15 : 715,198.75 = 177,494.72 : x
  2. Step 2: Convert to fraction form
    476,873.15/715,198.75 = 177,494.72/x
  3. Step 3: Cross multiply
    476,873.15x = 715,198.75 × 177,494.72
  4. Step 4: Simplify right side
    476,873.15x = 126,944,001,875.60
  5. Step 5: Solve for x
    x = 126,944,001,875.60/476,873.15
  6. Step 6: Final answer
    x = 266,200.77

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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.