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Finding the Fourth Proportional to 455,151,201.60, 682,726,802.40 and 455,151,201.60

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Solution

The fourth proportional to 455,151,201.60, 682,726,802.40 and 455,151,201.60 is: 682,726,802.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,151,201.60 : 682,726,802.40 = 455,151,201.60 : x
  2. Step 2: Convert to fraction form
    455,151,201.60/682,726,802.40 = 455,151,201.60/x
  3. Step 3: Cross multiply
    455,151,201.60x = 682,726,802.40 × 455,151,201.60
  4. Step 4: Simplify right side
    455,151,201.60x = 310,743,924,476,885,760
  5. Step 5: Solve for x
    x = 310,743,924,476,885,760/455,151,201.60
  6. Step 6: Final answer
    x = 682,726,802.40

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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.