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Finding the Fourth Proportional to 524,884,469.80, 787,326,704.70 and 330,164,487.40

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Solution

The fourth proportional to 524,884,469.80, 787,326,704.70 and 330,164,487.40 is: 495,246,731.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,884,469.80 : 787,326,704.70 = 330,164,487.40 : x
  2. Step 2: Convert to fraction form
    524,884,469.80/787,326,704.70 = 330,164,487.40/x
  3. Step 3: Cross multiply
    524,884,469.80x = 787,326,704.70 × 330,164,487.40
  4. Step 4: Simplify right side
    524,884,469.80x = 259,947,317,873,606,656
  5. Step 5: Solve for x
    x = 259,947,317,873,606,656/524,884,469.80
  6. Step 6: Final answer
    x = 495,246,731.10

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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.