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Finding the Fourth Proportional to 366,790.48, 550,185.72 and 242,102.32

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Solution

The fourth proportional to 366,790.48, 550,185.72 and 242,102.32 is: 363,153.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,790.48 : 550,185.72 = 242,102.32 : x
  2. Step 2: Convert to fraction form
    366,790.48/550,185.72 = 242,102.32/x
  3. Step 3: Cross multiply
    366,790.48x = 550,185.72 × 242,102.32
  4. Step 4: Simplify right side
    366,790.48x = 133,201,239,242.87
  5. Step 5: Solve for x
    x = 133,201,239,242.87/366,790.48
  6. Step 6: Final answer
    x = 363,153.48

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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.