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Finding the Fourth Proportional to 442,195.35, 610,225.88 and 248,603.91

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Solution

The fourth proportional to 442,195.35, 610,225.88 and 248,603.91 is: 343,071.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,195.35 : 610,225.88 = 248,603.91 : x
  2. Step 2: Convert to fraction form
    442,195.35/610,225.88 = 248,603.91/x
  3. Step 3: Cross multiply
    442,195.35x = 610,225.88 × 248,603.91
  4. Step 4: Simplify right side
    442,195.35x = 151,704,538,635.28
  5. Step 5: Solve for x
    x = 151,704,538,635.28/442,195.35
  6. Step 6: Final answer
    x = 343,071.31

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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.