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Finding the Fourth Proportional to 1,548,690, 2,323,122.48 and 551,418

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Solution

The fourth proportional to 1,548,690, 2,323,122.48 and 551,418 is: 827,158.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548,690 : 2,323,122.48 = 551,418 : x
  2. Step 2: Convert to fraction form
    1,548,690/2,323,122.48 = 551,418/x
  3. Step 3: Cross multiply
    1,548,690x = 2,323,122.48 × 551,418
  4. Step 4: Simplify right side
    1,548,690x = 1,281,011,551,676.64
  5. Step 5: Solve for x
    x = 1,281,011,551,676.64/1,548,690
  6. Step 6: Final answer
    x = 827,158.15

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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.