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Finding the Fourth Proportional to 260,804,590.60, 391,206,885.90 and 233,594,811.40

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Solution

The fourth proportional to 260,804,590.60, 391,206,885.90 and 233,594,811.40 is: 350,392,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,804,590.60 : 391,206,885.90 = 233,594,811.40 : x
  2. Step 2: Convert to fraction form
    260,804,590.60/391,206,885.90 = 233,594,811.40/x
  3. Step 3: Cross multiply
    260,804,590.60x = 391,206,885.90 × 233,594,811.40
  4. Step 4: Simplify right side
    260,804,590.60x = 91,383,898,730,191,824
  5. Step 5: Solve for x
    x = 91,383,898,730,191,824/260,804,590.60
  6. Step 6: Final answer
    x = 350,392,217.10

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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.