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Finding the Fourth Proportional to 281,904,404.40, 395,573,158.80 and 281,904,404.40

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Solution

The fourth proportional to 281,904,404.40, 395,573,158.80 and 281,904,404.40 is: 395,573,158.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,904,404.40 : 395,573,158.80 = 281,904,404.40 : x
  2. Step 2: Convert to fraction form
    281,904,404.40/395,573,158.80 = 281,904,404.40/x
  3. Step 3: Cross multiply
    281,904,404.40x = 395,573,158.80 × 281,904,404.40
  4. Step 4: Simplify right side
    281,904,404.40x = 111,513,815,728,140,608
  5. Step 5: Solve for x
    x = 111,513,815,728,140,608/281,904,404.40
  6. Step 6: Final answer
    x = 395,573,158.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.