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Finding the Fourth Proportional to 793,929.60, 1,187,978.40 and 583,977.60

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Solution

The fourth proportional to 793,929.60, 1,187,978.40 and 583,977.60 is: 873,821.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,929.60 : 1,187,978.40 = 583,977.60 : x
  2. Step 2: Convert to fraction form
    793,929.60/1,187,978.40 = 583,977.60/x
  3. Step 3: Cross multiply
    793,929.60x = 1,187,978.40 × 583,977.60
  4. Step 4: Simplify right side
    793,929.60x = 693,752,774,883.84
  5. Step 5: Solve for x
    x = 693,752,774,883.84/793,929.60
  6. Step 6: Final answer
    x = 873,821.53

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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.