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Finding the Fourth Proportional to 378,586.04, 567,756.13 and 125,798.65

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Solution

The fourth proportional to 378,586.04, 567,756.13 and 125,798.65 is: 188,657.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,586.04 : 567,756.13 = 125,798.65 : x
  2. Step 2: Convert to fraction form
    378,586.04/567,756.13 = 125,798.65/x
  3. Step 3: Cross multiply
    378,586.04x = 567,756.13 × 125,798.65
  4. Step 4: Simplify right side
    378,586.04x = 71,422,954,683.22
  5. Step 5: Solve for x
    x = 71,422,954,683.22/378,586.04
  6. Step 6: Final answer
    x = 188,657.13

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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.