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Finding the Fourth Proportional to 451,101.04, 622,519.40 and 247,159.68

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Solution

The fourth proportional to 451,101.04, 622,519.40 and 247,159.68 is: 341,080.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,101.04 : 622,519.40 = 247,159.68 : x
  2. Step 2: Convert to fraction form
    451,101.04/622,519.40 = 247,159.68/x
  3. Step 3: Cross multiply
    451,101.04x = 622,519.40 × 247,159.68
  4. Step 4: Simplify right side
    451,101.04x = 153,861,695,697.79
  5. Step 5: Solve for x
    x = 153,861,695,697.79/451,101.04
  6. Step 6: Final answer
    x = 341,080.34

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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.