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Finding the Fourth Proportional to 524,952,772.48, 786,689,865.12 and 401,653,736.64

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Solution

The fourth proportional to 524,952,772.48, 786,689,865.12 and 401,653,736.64 is: 601,914,954.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,952,772.48 : 786,689,865.12 = 401,653,736.64 : x
  2. Step 2: Convert to fraction form
    524,952,772.48/786,689,865.12 = 401,653,736.64/x
  3. Step 3: Cross multiply
    524,952,772.48x = 786,689,865.12 × 401,653,736.64
  4. Step 4: Simplify right side
    524,952,772.48x = 315,976,923,902,265,600
  5. Step 5: Solve for x
    x = 315,976,923,902,265,600/524,952,772.48
  6. Step 6: Final answer
    x = 601,914,954.01

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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.