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Finding the Fourth Proportional to 550,037.19, 825,056.43 and 150,681.39

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Solution

The fourth proportional to 550,037.19, 825,056.43 and 150,681.39 is: 226,022.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,037.19 : 825,056.43 = 150,681.39 : x
  2. Step 2: Convert to fraction form
    550,037.19/825,056.43 = 150,681.39/x
  3. Step 3: Cross multiply
    550,037.19x = 825,056.43 × 150,681.39
  4. Step 4: Simplify right side
    550,037.19x = 124,320,649,700.84
  5. Step 5: Solve for x
    x = 124,320,649,700.84/550,037.19
  6. Step 6: Final answer
    x = 226,022.26

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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.