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Finding the Fourth Proportional to 655,255.02, 904,281.03 and 368,793.66

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Solution

The fourth proportional to 655,255.02, 904,281.03 and 368,793.66 is: 508,951.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,255.02 : 904,281.03 = 368,793.66 : x
  2. Step 2: Convert to fraction form
    655,255.02/904,281.03 = 368,793.66/x
  3. Step 3: Cross multiply
    655,255.02x = 904,281.03 × 368,793.66
  4. Step 4: Simplify right side
    655,255.02x = 333,493,110,722.27
  5. Step 5: Solve for x
    x = 333,493,110,722.27/655,255.02
  6. Step 6: Final answer
    x = 508,951.63

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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.