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Finding the Fourth Proportional to 632,155.44, 948,207.78 and 348,408.48

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Solution

The fourth proportional to 632,155.44, 948,207.78 and 348,408.48 is: 522,598.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,155.44 : 948,207.78 = 348,408.48 : x
  2. Step 2: Convert to fraction form
    632,155.44/948,207.78 = 348,408.48/x
  3. Step 3: Cross multiply
    632,155.44x = 948,207.78 × 348,408.48
  4. Step 4: Simplify right side
    632,155.44x = 330,363,631,353.97
  5. Step 5: Solve for x
    x = 330,363,631,353.97/632,155.44
  6. Step 6: Final answer
    x = 522,598.73

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1.5x scale

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.