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Finding the Fourth Proportional to 366,989.18, 550,483.76 and 366,989.18

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Solution

The fourth proportional to 366,989.18, 550,483.76 and 366,989.18 is: 550,483.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,989.18 : 550,483.76 = 366,989.18 : x
  2. Step 2: Convert to fraction form
    366,989.18/550,483.76 = 366,989.18/x
  3. Step 3: Cross multiply
    366,989.18x = 550,483.76 × 366,989.18
  4. Step 4: Simplify right side
    366,989.18x = 202,021,583,685.72
  5. Step 5: Solve for x
    x = 202,021,583,685.72/366,989.18
  6. Step 6: Final answer
    x = 550,483.76

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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.