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Finding the Fourth Proportional to 576,550,333.90, 866,205,177.32 and 369,694,022.88

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Solution

The fourth proportional to 576,550,333.90, 866,205,177.32 and 369,694,022.88 is: 555,425,706.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,550,333.90 : 866,205,177.32 = 369,694,022.88 : x
  2. Step 2: Convert to fraction form
    576,550,333.90/866,205,177.32 = 369,694,022.88/x
  3. Step 3: Cross multiply
    576,550,333.90x = 866,205,177.32 × 369,694,022.88
  4. Step 4: Simplify right side
    576,550,333.90x = 320,230,876,636,735,040
  5. Step 5: Solve for x
    x = 320,230,876,636,735,040/576,550,333.90
  6. Step 6: Final answer
    x = 555,425,706.67

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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.