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Finding the Fourth Proportional to 409,200,708.60, 613,801,062.90 and 409,200,708.60

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Solution

The fourth proportional to 409,200,708.60, 613,801,062.90 and 409,200,708.60 is: 613,801,062.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,200,708.60 : 613,801,062.90 = 409,200,708.60 : x
  2. Step 2: Convert to fraction form
    409,200,708.60/613,801,062.90 = 409,200,708.60/x
  3. Step 3: Cross multiply
    409,200,708.60x = 613,801,062.90 × 409,200,708.60
  4. Step 4: Simplify right side
    409,200,708.60x = 251,167,829,878,113,184
  5. Step 5: Solve for x
    x = 251,167,829,878,113,184/409,200,708.60
  6. Step 6: Final answer
    x = 613,801,062.90

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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.