Home / 349,631.83-482,317.25-220,730.05

Finding the Fourth Proportional to 349,631.83, 482,317.25 and 220,730.05

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Solution

The fourth proportional to 349,631.83, 482,317.25 and 220,730.05 is: 304,497.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,631.83 : 482,317.25 = 220,730.05 : x
  2. Step 2: Convert to fraction form
    349,631.83/482,317.25 = 220,730.05/x
  3. Step 3: Cross multiply
    349,631.83x = 482,317.25 × 220,730.05
  4. Step 4: Simplify right side
    349,631.83x = 106,461,910,713.50
  5. Step 5: Solve for x
    x = 106,461,910,713.50/349,631.83
  6. Step 6: Final answer
    x = 304,497.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.