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Finding the Fourth Proportional to 442,166.08, 610,205.58 and 251,211.88

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Solution

The fourth proportional to 442,166.08, 610,205.58 and 251,211.88 is: 346,681.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,166.08 : 610,205.58 = 251,211.88 : x
  2. Step 2: Convert to fraction form
    442,166.08/610,205.58 = 251,211.88/x
  3. Step 3: Cross multiply
    442,166.08x = 610,205.58 × 251,211.88
  4. Step 4: Simplify right side
    442,166.08x = 153,290,890,938.29
  5. Step 5: Solve for x
    x = 153,290,890,938.29/442,166.08
  6. Step 6: Final answer
    x = 346,681.71

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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.