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Finding the Fourth Proportional to 498,464.30, 746,643.45 and 330,065.30

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Solution

The fourth proportional to 498,464.30, 746,643.45 and 330,065.30 is: 494,400.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,464.30 : 746,643.45 = 330,065.30 : x
  2. Step 2: Convert to fraction form
    498,464.30/746,643.45 = 330,065.30/x
  3. Step 3: Cross multiply
    498,464.30x = 746,643.45 × 330,065.30
  4. Step 4: Simplify right side
    498,464.30x = 246,441,094,317.29
  5. Step 5: Solve for x
    x = 246,441,094,317.29/498,464.30
  6. Step 6: Final answer
    x = 494,400.69

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Similar ratio
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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.