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Finding the Fourth Proportional to 451,094.19, 622,500.45 and 247,135.17

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Solution

The fourth proportional to 451,094.19, 622,500.45 and 247,135.17 is: 341,041.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,094.19 : 622,500.45 = 247,135.17 : x
  2. Step 2: Convert to fraction form
    451,094.19/622,500.45 = 247,135.17/x
  3. Step 3: Cross multiply
    451,094.19x = 622,500.45 × 247,135.17
  4. Step 4: Simplify right side
    451,094.19x = 153,841,754,535.83
  5. Step 5: Solve for x
    x = 153,841,754,535.83/451,094.19
  6. Step 6: Final answer
    x = 341,041.31

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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.