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Finding the Fourth Proportional to 1,964,922.62, 2,947,383.59 and 544,978.85

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Solution

The fourth proportional to 1,964,922.62, 2,947,383.59 and 544,978.85 is: 817,468.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,922.62 : 2,947,383.59 = 544,978.85 : x
  2. Step 2: Convert to fraction form
    1,964,922.62/2,947,383.59 = 544,978.85/x
  3. Step 3: Cross multiply
    1,964,922.62x = 2,947,383.59 × 544,978.85
  4. Step 4: Simplify right side
    1,964,922.62x = 1,606,261,701,925.26
  5. Step 5: Solve for x
    x = 1,606,261,701,925.26/1,964,922.62
  6. Step 6: Final answer
    x = 817,468.17

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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.