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Finding the Fourth Proportional to 465,651,662.01, 642,599,931.20 and 253,959,004.10

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Solution

The fourth proportional to 465,651,662.01, 642,599,931.20 and 253,959,004.10 is: 350,463,773.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,651,662.01 : 642,599,931.20 = 253,959,004.10 : x
  2. Step 2: Convert to fraction form
    465,651,662.01/642,599,931.20 = 253,959,004.10/x
  3. Step 3: Cross multiply
    465,651,662.01x = 642,599,931.20 × 253,959,004.10
  4. Step 4: Simplify right side
    465,651,662.01x = 163,194,038,562,280,512
  5. Step 5: Solve for x
    x = 163,194,038,562,280,512/465,651,662.01
  6. Step 6: Final answer
    x = 350,463,773.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.