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Finding the Fourth Proportional to 475,993.08, 656,875.44 and 261,127.62

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Solution

The fourth proportional to 475,993.08, 656,875.44 and 261,127.62 is: 360,358.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,993.08 : 656,875.44 = 261,127.62 : x
  2. Step 2: Convert to fraction form
    475,993.08/656,875.44 = 261,127.62/x
  3. Step 3: Cross multiply
    475,993.08x = 656,875.44 × 261,127.62
  4. Step 4: Simplify right side
    475,993.08x = 171,528,320,283.65
  5. Step 5: Solve for x
    x = 171,528,320,283.65/475,993.08
  6. Step 6: Final answer
    x = 360,358.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.