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Finding the Fourth Proportional to 367,586,136.05, 515,911,992.10 and 367,586,136.05

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Solution

The fourth proportional to 367,586,136.05, 515,911,992.10 and 367,586,136.05 is: 515,911,992.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,586,136.05 : 515,911,992.10 = 367,586,136.05 : x
  2. Step 2: Convert to fraction form
    367,586,136.05/515,911,992.10 = 367,586,136.05/x
  3. Step 3: Cross multiply
    367,586,136.05x = 515,911,992.10 × 367,586,136.05
  4. Step 4: Simplify right side
    367,586,136.05x = 189,642,095,717,897,152
  5. Step 5: Solve for x
    x = 189,642,095,717,897,152/367,586,136.05
  6. Step 6: Final answer
    x = 515,911,992.10

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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.