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Finding the Fourth Proportional to 568,332,061.65, 784,298,238.22 and 307,571,677.65

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Solution

The fourth proportional to 568,332,061.65, 784,298,238.22 and 307,571,677.65 is: 424,448,911.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,332,061.65 : 784,298,238.22 = 307,571,677.65 : x
  2. Step 2: Convert to fraction form
    568,332,061.65/784,298,238.22 = 307,571,677.65/x
  3. Step 3: Cross multiply
    568,332,061.65x = 784,298,238.22 × 307,571,677.65
  4. Step 4: Simplify right side
    568,332,061.65x = 241,227,924,907,264,736
  5. Step 5: Solve for x
    x = 241,227,924,907,264,736/568,332,061.65
  6. Step 6: Final answer
    x = 424,448,911.45

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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.