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Finding the Fourth Proportional to 1,845,603.30, 2,768,404.95 and 848,331.30

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Solution

The fourth proportional to 1,845,603.30, 2,768,404.95 and 848,331.30 is: 1,272,496.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845,603.30 : 2,768,404.95 = 848,331.30 : x
  2. Step 2: Convert to fraction form
    1,845,603.30/2,768,404.95 = 848,331.30/x
  3. Step 3: Cross multiply
    1,845,603.30x = 2,768,404.95 × 848,331.30
  4. Step 4: Simplify right side
    1,845,603.30x = 2,348,524,570,159.94
  5. Step 5: Solve for x
    x = 2,348,524,570,159.94/1,845,603.30
  6. Step 6: Final answer
    x = 1,272,496.95

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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.