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Finding the Fourth Proportional to 442,297.01, 663,702.47 and 186,110.69

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Solution

The fourth proportional to 442,297.01, 663,702.47 and 186,110.69 is: 279,274.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,297.01 : 663,702.47 = 186,110.69 : x
  2. Step 2: Convert to fraction form
    442,297.01/663,702.47 = 186,110.69/x
  3. Step 3: Cross multiply
    442,297.01x = 663,702.47 × 186,110.69
  4. Step 4: Simplify right side
    442,297.01x = 123,522,120,862.62
  5. Step 5: Solve for x
    x = 123,522,120,862.62/442,297.01
  6. Step 6: Final answer
    x = 279,274.15

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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.