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Finding the Fourth Proportional to 404,341.60, 606,731.10 and 167,708.20

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Solution

The fourth proportional to 404,341.60, 606,731.10 and 167,708.20 is: 251,653.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,341.60 : 606,731.10 = 167,708.20 : x
  2. Step 2: Convert to fraction form
    404,341.60/606,731.10 = 167,708.20/x
  3. Step 3: Cross multiply
    404,341.60x = 606,731.10 × 167,708.20
  4. Step 4: Simplify right side
    404,341.60x = 101,753,780,665.02
  5. Step 5: Solve for x
    x = 101,753,780,665.02/404,341.60
  6. Step 6: Final answer
    x = 251,653.01

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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.