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Finding the Fourth Proportional to 265,844,676.60, 399,177,587.70 and 144,912,324.60

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Solution

The fourth proportional to 265,844,676.60, 399,177,587.70 and 144,912,324.60 is: 217,592,290.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,844,676.60 : 399,177,587.70 = 144,912,324.60 : x
  2. Step 2: Convert to fraction form
    265,844,676.60/399,177,587.70 = 144,912,324.60/x
  3. Step 3: Cross multiply
    265,844,676.60x = 399,177,587.70 × 144,912,324.60
  4. Step 4: Simplify right side
    265,844,676.60x = 57,845,752,161,827,360
  5. Step 5: Solve for x
    x = 57,845,752,161,827,360/265,844,676.60
  6. Step 6: Final answer
    x = 217,592,290.74

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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.