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Finding the Fourth Proportional to 912,475.56, 1,259,224.42 and 504,605

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Solution

The fourth proportional to 912,475.56, 1,259,224.42 and 504,605 is: 696,359.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,475.56 : 1,259,224.42 = 504,605 : x
  2. Step 2: Convert to fraction form
    912,475.56/1,259,224.42 = 504,605/x
  3. Step 3: Cross multiply
    912,475.56x = 1,259,224.42 × 504,605
  4. Step 4: Simplify right side
    912,475.56x = 635,410,938,454.10
  5. Step 5: Solve for x
    x = 635,410,938,454.10/912,475.56
  6. Step 6: Final answer
    x = 696,359.41

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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.