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Finding the Fourth Proportional to 478,702.92, 660,614.06 and 263,843.52

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Solution

The fourth proportional to 478,702.92, 660,614.06 and 263,843.52 is: 364,106.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,702.92 : 660,614.06 = 263,843.52 : x
  2. Step 2: Convert to fraction form
    478,702.92/660,614.06 = 263,843.52/x
  3. Step 3: Cross multiply
    478,702.92x = 660,614.06 × 263,843.52
  4. Step 4: Simplify right side
    478,702.92x = 174,298,738,951.89
  5. Step 5: Solve for x
    x = 174,298,738,951.89/478,702.92
  6. Step 6: Final answer
    x = 364,106.28

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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.