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Finding the Fourth Proportional to 417,681.36, 625,462.22 and 350,035.56

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Solution

The fourth proportional to 417,681.36, 625,462.22 and 350,035.56 is: 524,165.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,681.36 : 625,462.22 = 350,035.56 : x
  2. Step 2: Convert to fraction form
    417,681.36/625,462.22 = 350,035.56/x
  3. Step 3: Cross multiply
    417,681.36x = 625,462.22 × 350,035.56
  4. Step 4: Simplify right side
    417,681.36x = 218,934,019,311.63
  5. Step 5: Solve for x
    x = 218,934,019,311.63/417,681.36
  6. Step 6: Final answer
    x = 524,165.17

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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.