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Finding the Fourth Proportional to 379,118,952.35, 568,678,428.53 and 379,118,952.35

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Solution

The fourth proportional to 379,118,952.35, 568,678,428.53 and 379,118,952.35 is: 568,678,428.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,118,952.35 : 568,678,428.53 = 379,118,952.35 : x
  2. Step 2: Convert to fraction form
    379,118,952.35/568,678,428.53 = 379,118,952.35/x
  3. Step 3: Cross multiply
    379,118,952.35x = 568,678,428.53 × 379,118,952.35
  4. Step 4: Simplify right side
    379,118,952.35x = 215,596,770,046,442,368
  5. Step 5: Solve for x
    x = 215,596,770,046,442,368/379,118,952.35
  6. Step 6: Final answer
    x = 568,678,428.53

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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.