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Finding the Fourth Proportional to 356,492.20, 534,718.62 and 119,810.44

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Solution

The fourth proportional to 356,492.20, 534,718.62 and 119,810.44 is: 179,709.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,492.20 : 534,718.62 = 119,810.44 : x
  2. Step 2: Convert to fraction form
    356,492.20/534,718.62 = 119,810.44/x
  3. Step 3: Cross multiply
    356,492.20x = 534,718.62 × 119,810.44
  4. Step 4: Simplify right side
    356,492.20x = 64,064,873,138.39
  5. Step 5: Solve for x
    x = 64,064,873,138.39/356,492.20
  6. Step 6: Final answer
    x = 179,709.05

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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.