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Finding the Fourth Proportional to 467,677,805.40, 655,823,881.80 and 467,677,805.40

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Solution

The fourth proportional to 467,677,805.40, 655,823,881.80 and 467,677,805.40 is: 655,823,881.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,677,805.40 : 655,823,881.80 = 467,677,805.40 : x
  2. Step 2: Convert to fraction form
    467,677,805.40/655,823,881.80 = 467,677,805.40/x
  3. Step 3: Cross multiply
    467,677,805.40x = 655,823,881.80 × 467,677,805.40
  4. Step 4: Simplify right side
    467,677,805.40x = 306,714,273,769,132,992
  5. Step 5: Solve for x
    x = 306,714,273,769,132,992/467,677,805.40
  6. Step 6: Final answer
    x = 655,823,881.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.