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Finding the Fourth Proportional to 397,326.86, 595,629.83 and 144,428.73

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Solution

The fourth proportional to 397,326.86, 595,629.83 and 144,428.73 is: 216,512.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,326.86 : 595,629.83 = 144,428.73 : x
  2. Step 2: Convert to fraction form
    397,326.86/595,629.83 = 144,428.73/x
  3. Step 3: Cross multiply
    397,326.86x = 595,629.83 × 144,428.73
  4. Step 4: Simplify right side
    397,326.86x = 86,026,058,024.48
  5. Step 5: Solve for x
    x = 86,026,058,024.48/397,326.86
  6. Step 6: Final answer
    x = 216,512.06

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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.