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Finding the Fourth Proportional to 356,305.56, 534,445.37 and 106,981.08

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Solution

The fourth proportional to 356,305.56, 534,445.37 and 106,981.08 is: 160,467.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,305.56 : 534,445.37 = 106,981.08 : x
  2. Step 2: Convert to fraction form
    356,305.56/534,445.37 = 106,981.08/x
  3. Step 3: Cross multiply
    356,305.56x = 534,445.37 × 106,981.08
  4. Step 4: Simplify right side
    356,305.56x = 57,175,540,211.37
  5. Step 5: Solve for x
    x = 57,175,540,211.37/356,305.56
  6. Step 6: Final answer
    x = 160,467.72

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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.