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Finding the Fourth Proportional to 576,550,339.88, 866,205,186.66 and 369,694,028.88

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Solution

The fourth proportional to 576,550,339.88, 866,205,186.66 and 369,694,028.88 is: 555,425,715.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,550,339.88 : 866,205,186.66 = 369,694,028.88 : x
  2. Step 2: Convert to fraction form
    576,550,339.88/866,205,186.66 = 369,694,028.88/x
  3. Step 3: Cross multiply
    576,550,339.88x = 866,205,186.66 × 369,694,028.88
  4. Step 4: Simplify right side
    576,550,339.88x = 320,230,885,293,087,808
  5. Step 5: Solve for x
    x = 320,230,885,293,087,808/576,550,339.88
  6. Step 6: Final answer
    x = 555,425,715.93

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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.