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Finding the Fourth Proportional to 503,697.08, 695,151 and 376,151.24

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Solution

The fourth proportional to 503,697.08, 695,151 and 376,151.24 is: 519,125.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,697.08 : 695,151 = 376,151.24 : x
  2. Step 2: Convert to fraction form
    503,697.08/695,151 = 376,151.24/x
  3. Step 3: Cross multiply
    503,697.08x = 695,151 × 376,151.24
  4. Step 4: Simplify right side
    503,697.08x = 261,481,910,637.24
  5. Step 5: Solve for x
    x = 261,481,910,637.24/503,697.08
  6. Step 6: Final answer
    x = 519,125.33

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1.5x scale

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.