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Finding the Fourth Proportional to 366,988.85, 550,483.28 and 366,988.85

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Solution

The fourth proportional to 366,988.85, 550,483.28 and 366,988.85 is: 550,483.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,988.85 : 550,483.28 = 366,988.85 : x
  2. Step 2: Convert to fraction form
    366,988.85/550,483.28 = 366,988.85/x
  3. Step 3: Cross multiply
    366,988.85x = 550,483.28 × 366,988.85
  4. Step 4: Simplify right side
    366,988.85x = 202,021,225,871.43
  5. Step 5: Solve for x
    x = 202,021,225,871.43/366,988.85
  6. Step 6: Final answer
    x = 550,483.28

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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.