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Finding the Fourth Proportional to 633,326,942.40, 948,478,759.20 and 633,326,942.40

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Solution

The fourth proportional to 633,326,942.40, 948,478,759.20 and 633,326,942.40 is: 948,478,759.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,326,942.40 : 948,478,759.20 = 633,326,942.40 : x
  2. Step 2: Convert to fraction form
    633,326,942.40/948,478,759.20 = 633,326,942.40/x
  3. Step 3: Cross multiply
    633,326,942.40x = 948,478,759.20 × 633,326,942.40
  4. Step 4: Simplify right side
    633,326,942.40x = 600,697,152,495,481,856
  5. Step 5: Solve for x
    x = 600,697,152,495,481,856/633,326,942.40
  6. Step 6: Final answer
    x = 948,478,759.20

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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.