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Finding the Fourth Proportional to 576,550,342.80, 866,205,190.98 and 369,694,031.74

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Solution

The fourth proportional to 576,550,342.80, 866,205,190.98 and 369,694,031.74 is: 555,425,720.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,550,342.80 : 866,205,190.98 = 369,694,031.74 : x
  2. Step 2: Convert to fraction form
    576,550,342.80/866,205,190.98 = 369,694,031.74/x
  3. Step 3: Cross multiply
    576,550,342.80x = 866,205,190.98 × 369,694,031.74
  4. Step 4: Simplify right side
    576,550,342.80x = 320,230,889,367,512,896
  5. Step 5: Solve for x
    x = 320,230,889,367,512,896/576,550,342.80
  6. Step 6: Final answer
    x = 555,425,720.18

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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.