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Finding the Fourth Proportional to 651,570.90, 976,773.15 and 252,078.90

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Solution

The fourth proportional to 651,570.90, 976,773.15 and 252,078.90 is: 377,892.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,570.90 : 976,773.15 = 252,078.90 : x
  2. Step 2: Convert to fraction form
    651,570.90/976,773.15 = 252,078.90/x
  3. Step 3: Cross multiply
    651,570.90x = 976,773.15 × 252,078.90
  4. Step 4: Simplify right side
    651,570.90x = 246,223,901,201.54
  5. Step 5: Solve for x
    x = 246,223,901,201.54/651,570.90
  6. Step 6: Final answer
    x = 377,892.72

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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.