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Finding the Fourth Proportional to 662,953.60, 993,259.20 and 641,027.20

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Solution

The fourth proportional to 662,953.60, 993,259.20 and 641,027.20 is: 960,408.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,953.60 : 993,259.20 = 641,027.20 : x
  2. Step 2: Convert to fraction form
    662,953.60/993,259.20 = 641,027.20/x
  3. Step 3: Cross multiply
    662,953.60x = 993,259.20 × 641,027.20
  4. Step 4: Simplify right side
    662,953.60x = 636,706,163,850.24
  5. Step 5: Solve for x
    x = 636,706,163,850.24/662,953.60
  6. Step 6: Final answer
    x = 960,408.34

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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.