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Finding the Fourth Proportional to 565,588.32, 780,251.73 and 501,122.82

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Solution

The fourth proportional to 565,588.32, 780,251.73 and 501,122.82 is: 691,318.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,588.32 : 780,251.73 = 501,122.82 : x
  2. Step 2: Convert to fraction form
    565,588.32/780,251.73 = 501,122.82/x
  3. Step 3: Cross multiply
    565,588.32x = 780,251.73 × 501,122.82
  4. Step 4: Simplify right side
    565,588.32x = 391,001,947,247.48
  5. Step 5: Solve for x
    x = 391,001,947,247.48/565,588.32
  6. Step 6: Final answer
    x = 691,318.99

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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.