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Finding the Fourth Proportional to 404,709.76, 607,082 and 124,238.08

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Solution

The fourth proportional to 404,709.76, 607,082 and 124,238.08 is: 186,362.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,709.76 : 607,082 = 124,238.08 : x
  2. Step 2: Convert to fraction form
    404,709.76/607,082 = 124,238.08/x
  3. Step 3: Cross multiply
    404,709.76x = 607,082 × 124,238.08
  4. Step 4: Simplify right side
    404,709.76x = 75,422,702,082.56
  5. Step 5: Solve for x
    x = 75,422,702,082.56/404,709.76
  6. Step 6: Final answer
    x = 186,362.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.