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Finding the Fourth Proportional to 353,695,295.52, 529,956,419.04 and 215,101,693.80

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Solution

The fourth proportional to 353,695,295.52, 529,956,419.04 and 215,101,693.80 is: 322,295,842.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,695,295.52 : 529,956,419.04 = 215,101,693.80 : x
  2. Step 2: Convert to fraction form
    353,695,295.52/529,956,419.04 = 215,101,693.80/x
  3. Step 3: Cross multiply
    353,695,295.52x = 529,956,419.04 × 215,101,693.80
  4. Step 4: Simplify right side
    353,695,295.52x = 113,994,523,375,686,576
  5. Step 5: Solve for x
    x = 113,994,523,375,686,576/353,695,295.52
  6. Step 6: Final answer
    x = 322,295,842.83

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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.