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Finding the Fourth Proportional to 414,434.79, 571,920.89 and 244,679.85

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Solution

The fourth proportional to 414,434.79, 571,920.89 and 244,679.85 is: 337,658.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,434.79 : 571,920.89 = 244,679.85 : x
  2. Step 2: Convert to fraction form
    414,434.79/571,920.89 = 244,679.85/x
  3. Step 3: Cross multiply
    414,434.79x = 571,920.89 × 244,679.85
  4. Step 4: Simplify right side
    414,434.79x = 139,937,516,353.67
  5. Step 5: Solve for x
    x = 139,937,516,353.67/414,434.79
  6. Step 6: Final answer
    x = 337,658.71

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1.5x scale

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.