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Finding the Fourth Proportional to 625,702.72, 938,590.60 and 241,453.60

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Solution

The fourth proportional to 625,702.72, 938,590.60 and 241,453.60 is: 362,194.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,702.72 : 938,590.60 = 241,453.60 : x
  2. Step 2: Convert to fraction form
    625,702.72/938,590.60 = 241,453.60/x
  3. Step 3: Cross multiply
    625,702.72x = 938,590.60 × 241,453.60
  4. Step 4: Simplify right side
    625,702.72x = 226,626,079,296.16
  5. Step 5: Solve for x
    x = 226,626,079,296.16/625,702.72
  6. Step 6: Final answer
    x = 362,194.49

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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.