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Finding the Fourth Proportional to 366,505.63, 550,363.06 and 247,328.25

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Solution

The fourth proportional to 366,505.63, 550,363.06 and 247,328.25 is: 371,400.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,505.63 : 550,363.06 = 247,328.25 : x
  2. Step 2: Convert to fraction form
    366,505.63/550,363.06 = 247,328.25/x
  3. Step 3: Cross multiply
    366,505.63x = 550,363.06 × 247,328.25
  4. Step 4: Simplify right side
    366,505.63x = 136,120,332,444.32
  5. Step 5: Solve for x
    x = 136,120,332,444.32/366,505.63
  6. Step 6: Final answer
    x = 371,400.39

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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.