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Finding the Fourth Proportional to 1,854,936, 2,781,593.76 and 656,460

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Solution

The fourth proportional to 1,854,936, 2,781,593.76 and 656,460 is: 984,403.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854,936 : 2,781,593.76 = 656,460 : x
  2. Step 2: Convert to fraction form
    1,854,936/2,781,593.76 = 656,460/x
  3. Step 3: Cross multiply
    1,854,936x = 2,781,593.76 × 656,460
  4. Step 4: Simplify right side
    1,854,936x = 1,826,005,039,689.60
  5. Step 5: Solve for x
    x = 1,826,005,039,689.60/1,854,936
  6. Step 6: Final answer
    x = 984,403.26

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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.