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Finding the Fourth Proportional to 606,155.24, 909,199.86 and 185,431.11

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Solution

The fourth proportional to 606,155.24, 909,199.86 and 185,431.11 is: 278,136.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,155.24 : 909,199.86 = 185,431.11 : x
  2. Step 2: Convert to fraction form
    606,155.24/909,199.86 = 185,431.11/x
  3. Step 3: Cross multiply
    606,155.24x = 909,199.86 × 185,431.11
  4. Step 4: Simplify right side
    606,155.24x = 168,593,939,251.65
  5. Step 5: Solve for x
    x = 168,593,939,251.65/606,155.24
  6. Step 6: Final answer
    x = 278,136.57

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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.