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Finding the Fourth Proportional to 465,651,661.01, 642,599,929.82 and 253,959,003.10

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Solution

The fourth proportional to 465,651,661.01, 642,599,929.82 and 253,959,003.10 is: 350,463,772.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,651,661.01 : 642,599,929.82 = 253,959,003.10 : x
  2. Step 2: Convert to fraction form
    465,651,661.01/642,599,929.82 = 253,959,003.10/x
  3. Step 3: Cross multiply
    465,651,661.01x = 642,599,929.82 × 253,959,003.10
  4. Step 4: Simplify right side
    465,651,661.01x = 163,194,037,564,734,368
  5. Step 5: Solve for x
    x = 163,194,037,564,734,368/465,651,661.01
  6. Step 6: Final answer
    x = 350,463,772.02

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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.