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Finding the Fourth Proportional to 586,357,761.80, 879,644,770.41 and 192,906,732.08

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Solution

The fourth proportional to 586,357,761.80, 879,644,770.41 and 192,906,732.08 is: 289,395,671.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,357,761.80 : 879,644,770.41 = 192,906,732.08 : x
  2. Step 2: Convert to fraction form
    586,357,761.80/879,644,770.41 = 192,906,732.08/x
  3. Step 3: Cross multiply
    586,357,761.80x = 879,644,770.41 × 192,906,732.08
  4. Step 4: Simplify right side
    586,357,761.80x = 169,689,398,046,656,736
  5. Step 5: Solve for x
    x = 169,689,398,046,656,736/586,357,761.80
  6. Step 6: Final answer
    x = 289,395,671.21

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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.