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Finding the Fourth Proportional to 325,793,434.60, 488,690,151.90 and 310,676,890.60

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Solution

The fourth proportional to 325,793,434.60, 488,690,151.90 and 310,676,890.60 is: 466,015,335.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,793,434.60 : 488,690,151.90 = 310,676,890.60 : x
  2. Step 2: Convert to fraction form
    325,793,434.60/488,690,151.90 = 310,676,890.60/x
  3. Step 3: Cross multiply
    325,793,434.60x = 488,690,151.90 × 310,676,890.60
  4. Step 4: Simplify right side
    325,793,434.60x = 151,824,736,859,133,696
  5. Step 5: Solve for x
    x = 151,824,736,859,133,696/325,793,434.60
  6. Step 6: Final answer
    x = 466,015,335.90

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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.