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Finding the Fourth Proportional to 423,720, 584,785.44 and 244,872

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Solution

The fourth proportional to 423,720, 584,785.44 and 244,872 is: 337,953.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,720 : 584,785.44 = 244,872 : x
  2. Step 2: Convert to fraction form
    423,720/584,785.44 = 244,872/x
  3. Step 3: Cross multiply
    423,720x = 584,785.44 × 244,872
  4. Step 4: Simplify right side
    423,720x = 143,197,580,263.68
  5. Step 5: Solve for x
    x = 143,197,580,263.68/423,720
  6. Step 6: Final answer
    x = 337,953.32

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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.