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Finding the Fourth Proportional to 418,992.17, 628,525.29 and 119,466.32

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Solution

The fourth proportional to 418,992.17, 628,525.29 and 119,466.32 is: 179,210.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,992.17 : 628,525.29 = 119,466.32 : x
  2. Step 2: Convert to fraction form
    418,992.17/628,525.29 = 119,466.32/x
  3. Step 3: Cross multiply
    418,992.17x = 628,525.29 × 119,466.32
  4. Step 4: Simplify right side
    418,992.17x = 75,087,600,280.61
  5. Step 5: Solve for x
    x = 75,087,600,280.61/418,992.17
  6. Step 6: Final answer
    x = 179,210.03

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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.