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Finding the Fourth Proportional to 606,154.02, 909,198.07 and 185,429.90

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Solution

The fourth proportional to 606,154.02, 909,198.07 and 185,429.90 is: 278,134.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,154.02 : 909,198.07 = 185,429.90 : x
  2. Step 2: Convert to fraction form
    606,154.02/909,198.07 = 185,429.90/x
  3. Step 3: Cross multiply
    606,154.02x = 909,198.07 × 185,429.90
  4. Step 4: Simplify right side
    606,154.02x = 168,592,507,200.29
  5. Step 5: Solve for x
    x = 168,592,507,200.29/606,154.02
  6. Step 6: Final answer
    x = 278,134.77

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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.