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Finding the Fourth Proportional to 556,788.60, 835,498.82 and 300,617.74

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Solution

The fourth proportional to 556,788.60, 835,498.82 and 300,617.74 is: 451,097.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,788.60 : 835,498.82 = 300,617.74 : x
  2. Step 2: Convert to fraction form
    556,788.60/835,498.82 = 300,617.74/x
  3. Step 3: Cross multiply
    556,788.60x = 835,498.82 × 300,617.74
  4. Step 4: Simplify right side
    556,788.60x = 251,165,764,952.32
  5. Step 5: Solve for x
    x = 251,165,764,952.32/556,788.60
  6. Step 6: Final answer
    x = 451,097.17

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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.