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Finding the Fourth Proportional to 556,788.65, 835,498.88 and 300,617.78

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Solution

The fourth proportional to 556,788.65, 835,498.88 and 300,617.78 is: 451,097.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,788.65 : 835,498.88 = 300,617.78 : x
  2. Step 2: Convert to fraction form
    556,788.65/835,498.88 = 300,617.78/x
  3. Step 3: Cross multiply
    556,788.65x = 835,498.88 × 300,617.78
  4. Step 4: Simplify right side
    556,788.65x = 251,165,816,995.00
  5. Step 5: Solve for x
    x = 251,165,816,995.00/556,788.65
  6. Step 6: Final answer
    x = 451,097.23

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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.