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Finding the Fourth Proportional to 442,228.35, 610,296.72 and 248,696.94

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Solution

The fourth proportional to 442,228.35, 610,296.72 and 248,696.94 is: 343,213.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,228.35 : 610,296.72 = 248,696.94 : x
  2. Step 2: Convert to fraction form
    442,228.35/610,296.72 = 248,696.94/x
  3. Step 3: Cross multiply
    442,228.35x = 610,296.72 × 248,696.94
  4. Step 4: Simplify right side
    442,228.35x = 151,778,926,756.04
  5. Step 5: Solve for x
    x = 151,778,926,756.04/442,228.35
  6. Step 6: Final answer
    x = 343,213.92

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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.