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Finding the Fourth Proportional to 272,515,810.60, 408,773,715.90 and 272,515,810.60

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Solution

The fourth proportional to 272,515,810.60, 408,773,715.90 and 272,515,810.60 is: 408,773,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,515,810.60 : 408,773,715.90 = 272,515,810.60 : x
  2. Step 2: Convert to fraction form
    272,515,810.60/408,773,715.90 = 272,515,810.60/x
  3. Step 3: Cross multiply
    272,515,810.60x = 408,773,715.90 × 272,515,810.60
  4. Step 4: Simplify right side
    272,515,810.60x = 111,397,300,540,462,608
  5. Step 5: Solve for x
    x = 111,397,300,540,462,608/272,515,810.60
  6. Step 6: Final answer
    x = 408,773,715.90

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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.