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Finding the Fourth Proportional to 327,103,689.60, 490,655,534.40 and 235,270,684.80

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Solution

The fourth proportional to 327,103,689.60, 490,655,534.40 and 235,270,684.80 is: 352,906,027.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,103,689.60 : 490,655,534.40 = 235,270,684.80 : x
  2. Step 2: Convert to fraction form
    327,103,689.60/490,655,534.40 = 235,270,684.80/x
  3. Step 3: Cross multiply
    327,103,689.60x = 490,655,534.40 × 235,270,684.80
  4. Step 4: Simplify right side
    327,103,689.60x = 115,436,863,579,197,952
  5. Step 5: Solve for x
    x = 115,436,863,579,197,952/327,103,689.60
  6. Step 6: Final answer
    x = 352,906,027.20

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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.