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Finding the Fourth Proportional to 267,570,511.80, 401,355,767.70 and 267,570,511.80

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Solution

The fourth proportional to 267,570,511.80, 401,355,767.70 and 267,570,511.80 is: 401,355,767.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,570,511.80 : 401,355,767.70 = 267,570,511.80 : x
  2. Step 2: Convert to fraction form
    267,570,511.80/401,355,767.70 = 267,570,511.80/x
  3. Step 3: Cross multiply
    267,570,511.80x = 401,355,767.70 × 267,570,511.80
  4. Step 4: Simplify right side
    267,570,511.80x = 107,390,968,177,370,912
  5. Step 5: Solve for x
    x = 107,390,968,177,370,912/267,570,511.80
  6. Step 6: Final answer
    x = 401,355,767.70

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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.