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Finding the Fourth Proportional to 354,682,335.36, 489,799,644.96 and 335,359,398.72

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Solution

The fourth proportional to 354,682,335.36, 489,799,644.96 and 335,359,398.72 is: 463,115,577.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,682,335.36 : 489,799,644.96 = 335,359,398.72 : x
  2. Step 2: Convert to fraction form
    354,682,335.36/489,799,644.96 = 335,359,398.72/x
  3. Step 3: Cross multiply
    354,682,335.36x = 489,799,644.96 × 335,359,398.72
  4. Step 4: Simplify right side
    354,682,335.36x = 164,258,914,427,055,072
  5. Step 5: Solve for x
    x = 164,258,914,427,055,072/354,682,335.36
  6. Step 6: Final answer
    x = 463,115,577.10

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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.