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Finding the Fourth Proportional to 504,126.30, 695,743.32 and 376,580.46

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Solution

The fourth proportional to 504,126.30, 695,743.32 and 376,580.46 is: 519,717.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,126.30 : 695,743.32 = 376,580.46 : x
  2. Step 2: Convert to fraction form
    504,126.30/695,743.32 = 376,580.46/x
  3. Step 3: Cross multiply
    504,126.30x = 695,743.32 × 376,580.46
  4. Step 4: Simplify right side
    504,126.30x = 262,003,339,487.53
  5. Step 5: Solve for x
    x = 262,003,339,487.53/504,126.30
  6. Step 6: Final answer
    x = 519,717.66

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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.