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Finding the Fourth Proportional to 366,837,619.20, 550,256,428.80 and 366,837,619.20

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Solution

The fourth proportional to 366,837,619.20, 550,256,428.80 and 366,837,619.20 is: 550,256,428.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,837,619.20 : 550,256,428.80 = 366,837,619.20 : x
  2. Step 2: Convert to fraction form
    366,837,619.20/550,256,428.80 = 366,837,619.20/x
  3. Step 3: Cross multiply
    366,837,619.20x = 550,256,428.80 × 366,837,619.20
  4. Step 4: Simplify right side
    366,837,619.20x = 201,854,758,290,486,304
  5. Step 5: Solve for x
    x = 201,854,758,290,486,304/366,837,619.20
  6. Step 6: Final answer
    x = 550,256,428.80

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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.