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Finding the Fourth Proportional to 267,181,779.60, 400,772,669.40 and 267,181,779.60

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Solution

The fourth proportional to 267,181,779.60, 400,772,669.40 and 267,181,779.60 is: 400,772,669.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,181,779.60 : 400,772,669.40 = 267,181,779.60 : x
  2. Step 2: Convert to fraction form
    267,181,779.60/400,772,669.40 = 267,181,779.60/x
  3. Step 3: Cross multiply
    267,181,779.60x = 400,772,669.40 × 267,181,779.60
  4. Step 4: Simplify right side
    267,181,779.60x = 107,079,155,025,334,448
  5. Step 5: Solve for x
    x = 107,079,155,025,334,448/267,181,779.60
  6. Step 6: Final answer
    x = 400,772,669.40

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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.