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Finding the Fourth Proportional to 504,126.80, 695,744.01 and 376,580.96

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Solution

The fourth proportional to 504,126.80, 695,744.01 and 376,580.96 is: 519,718.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,126.80 : 695,744.01 = 376,580.96 : x
  2. Step 2: Convert to fraction form
    504,126.80/695,744.01 = 376,580.96/x
  3. Step 3: Cross multiply
    504,126.80x = 695,744.01 × 376,580.96
  4. Step 4: Simplify right side
    504,126.80x = 262,003,947,200.05
  5. Step 5: Solve for x
    x = 262,003,947,200.05/504,126.80
  6. Step 6: Final answer
    x = 519,718.35

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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.