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Finding the Fourth Proportional to 526,572.54, 789,374.22 and 286,335.48

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Solution

The fourth proportional to 526,572.54, 789,374.22 and 286,335.48 is: 429,239.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,572.54 : 789,374.22 = 286,335.48 : x
  2. Step 2: Convert to fraction form
    526,572.54/789,374.22 = 286,335.48/x
  3. Step 3: Cross multiply
    526,572.54x = 789,374.22 × 286,335.48
  4. Step 4: Simplify right side
    526,572.54x = 226,025,846,183.33
  5. Step 5: Solve for x
    x = 226,025,846,183.33/526,572.54
  6. Step 6: Final answer
    x = 429,239.71

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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.