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Finding the Fourth Proportional to 535,348.72, 801,620.20 and 376,718.32

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Solution

The fourth proportional to 535,348.72, 801,620.20 and 376,718.32 is: 564,090.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,348.72 : 801,620.20 = 376,718.32 : x
  2. Step 2: Convert to fraction form
    535,348.72/801,620.20 = 376,718.32/x
  3. Step 3: Cross multiply
    535,348.72x = 801,620.20 × 376,718.32
  4. Step 4: Simplify right side
    535,348.72x = 301,985,015,022.06
  5. Step 5: Solve for x
    x = 301,985,015,022.06/535,348.72
  6. Step 6: Final answer
    x = 564,090.29

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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.