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Finding the Fourth Proportional to 612,712,960.00, 845,428,243.23 and 365,217,343.36

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Solution

The fourth proportional to 612,712,960.00, 845,428,243.23 and 365,217,343.36 is: 503,931,003.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,712,960.00 : 845,428,243.23 = 365,217,343.36 : x
  2. Step 2: Convert to fraction form
    612,712,960.00/845,428,243.23 = 365,217,343.36/x
  3. Step 3: Cross multiply
    612,712,960.00x = 845,428,243.23 × 365,217,343.36
  4. Step 4: Simplify right side
    612,712,960.00x = 308,765,056,991,858,944
  5. Step 5: Solve for x
    x = 308,765,056,991,858,944/612,712,960.00
  6. Step 6: Final answer
    x = 503,931,003.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.