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Finding the Fourth Proportional to 568,656,543.60, 852,984,815.40 and 371,385,644.40

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Solution

The fourth proportional to 568,656,543.60, 852,984,815.40 and 371,385,644.40 is: 557,078,466.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,656,543.60 : 852,984,815.40 = 371,385,644.40 : x
  2. Step 2: Convert to fraction form
    568,656,543.60/852,984,815.40 = 371,385,644.40/x
  3. Step 3: Cross multiply
    568,656,543.60x = 852,984,815.40 × 371,385,644.40
  4. Step 4: Simplify right side
    568,656,543.60x = 316,786,315,330,744,000
  5. Step 5: Solve for x
    x = 316,786,315,330,744,000/568,656,543.60
  6. Step 6: Final answer
    x = 557,078,466.60

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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.