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Finding the Fourth Proportional to 1,848,569.19, 2,550,978.49 and 1,032,779

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Solution

The fourth proportional to 1,848,569.19, 2,550,978.49 and 1,032,779 is: 1,425,208.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848,569.19 : 2,550,978.49 = 1,032,779 : x
  2. Step 2: Convert to fraction form
    1,848,569.19/2,550,978.49 = 1,032,779/x
  3. Step 3: Cross multiply
    1,848,569.19x = 2,550,978.49 × 1,032,779
  4. Step 4: Simplify right side
    1,848,569.19x = 2,634,597,008,759.82
  5. Step 5: Solve for x
    x = 2,634,597,008,759.82/1,848,569.19
  6. Step 6: Final answer
    x = 1,425,208.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.