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Finding the Fourth Proportional to 805,347, 1,208,027.79 and 244,381.50

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Solution

The fourth proportional to 805,347, 1,208,027.79 and 244,381.50 is: 366,574.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,347 : 1,208,027.79 = 244,381.50 : x
  2. Step 2: Convert to fraction form
    805,347/1,208,027.79 = 244,381.50/x
  3. Step 3: Cross multiply
    805,347x = 1,208,027.79 × 244,381.50
  4. Step 4: Simplify right side
    805,347x = 295,219,643,361.89
  5. Step 5: Solve for x
    x = 295,219,643,361.89/805,347
  6. Step 6: Final answer
    x = 366,574.46

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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.