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Finding the Fourth Proportional to 605,563.74, 835,637.85 and 363,856.50

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Solution

The fourth proportional to 605,563.74, 835,637.85 and 363,856.50 is: 502,097.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,563.74 : 835,637.85 = 363,856.50 : x
  2. Step 2: Convert to fraction form
    605,563.74/835,637.85 = 363,856.50/x
  3. Step 3: Cross multiply
    605,563.74x = 835,637.85 × 363,856.50
  4. Step 4: Simplify right side
    605,563.74x = 304,052,263,368.53
  5. Step 5: Solve for x
    x = 304,052,263,368.53/605,563.74
  6. Step 6: Final answer
    x = 502,097.87

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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.