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Finding the Fourth Proportional to 363,832,003.70, 545,748,005.55 and 363,832,003.70

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Solution

The fourth proportional to 363,832,003.70, 545,748,005.55 and 363,832,003.70 is: 545,748,005.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,832,003.70 : 545,748,005.55 = 363,832,003.70 : x
  2. Step 2: Convert to fraction form
    363,832,003.70/545,748,005.55 = 363,832,003.70/x
  3. Step 3: Cross multiply
    363,832,003.70x = 545,748,005.55 × 363,832,003.70
  4. Step 4: Simplify right side
    363,832,003.70x = 198,560,590,374,535,200
  5. Step 5: Solve for x
    x = 198,560,590,374,535,200/363,832,003.70
  6. Step 6: Final answer
    x = 545,748,005.55

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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.