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Finding the Fourth Proportional to 368,790.22, 552,956.22 and 155,448.37

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Solution

The fourth proportional to 368,790.22, 552,956.22 and 155,448.37 is: 233,075.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,790.22 : 552,956.22 = 155,448.37 : x
  2. Step 2: Convert to fraction form
    368,790.22/552,956.22 = 155,448.37/x
  3. Step 3: Cross multiply
    368,790.22x = 552,956.22 × 155,448.37
  4. Step 4: Simplify right side
    368,790.22x = 85,956,140,661.18
  5. Step 5: Solve for x
    x = 85,956,140,661.18/368,790.22
  6. Step 6: Final answer
    x = 233,075.98

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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.