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Finding the Fourth Proportional to 1,906,574, 2,860,254.84 and 558,780.80

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Solution

The fourth proportional to 1,906,574, 2,860,254.84 and 558,780.80 is: 838,286.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,574 : 2,860,254.84 = 558,780.80 : x
  2. Step 2: Convert to fraction form
    1,906,574/2,860,254.84 = 558,780.80/x
  3. Step 3: Cross multiply
    1,906,574x = 2,860,254.84 × 558,780.80
  4. Step 4: Simplify right side
    1,906,574x = 1,598,255,487,699.07
  5. Step 5: Solve for x
    x = 1,598,255,487,699.07/1,906,574
  6. Step 6: Final answer
    x = 838,286.63

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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.