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Finding the Fourth Proportional to 262,003.70, 393,005.55 and 119,848.70

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Solution

The fourth proportional to 262,003.70, 393,005.55 and 119,848.70 is: 179,773.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,003.70 : 393,005.55 = 119,848.70 : x
  2. Step 2: Convert to fraction form
    262,003.70/393,005.55 = 119,848.70/x
  3. Step 3: Cross multiply
    262,003.70x = 393,005.55 × 119,848.70
  4. Step 4: Simplify right side
    262,003.70x = 47,101,204,260.29
  5. Step 5: Solve for x
    x = 47,101,204,260.29/262,003.70
  6. Step 6: Final answer
    x = 179,773.05

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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.