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Finding the Fourth Proportional to 366,947.03, 550,420.55 and 366,947.03

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Solution

The fourth proportional to 366,947.03, 550,420.55 and 366,947.03 is: 550,420.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,947.03 : 550,420.55 = 366,947.03 : x
  2. Step 2: Convert to fraction form
    366,947.03/550,420.55 = 366,947.03/x
  3. Step 3: Cross multiply
    366,947.03x = 550,420.55 × 366,947.03
  4. Step 4: Simplify right side
    366,947.03x = 201,975,186,073.47
  5. Step 5: Solve for x
    x = 201,975,186,073.47/366,947.03
  6. Step 6: Final answer
    x = 550,420.55

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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.