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Finding the Fourth Proportional to 872,625.60, 1,308,151 and 606,511.44

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Solution

The fourth proportional to 872,625.60, 1,308,151 and 606,511.44 is: 909,219.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,625.60 : 1,308,151 = 606,511.44 : x
  2. Step 2: Convert to fraction form
    872,625.60/1,308,151 = 606,511.44/x
  3. Step 3: Cross multiply
    872,625.60x = 1,308,151 × 606,511.44
  4. Step 4: Simplify right side
    872,625.60x = 793,408,546,747.44
  5. Step 5: Solve for x
    x = 793,408,546,747.44/872,625.60
  6. Step 6: Final answer
    x = 909,219.88

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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.