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Finding the Fourth Proportional to 441,052.39, 661,400.49 and 171,038.35

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Solution

The fourth proportional to 441,052.39, 661,400.49 and 171,038.35 is: 256,488.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,052.39 : 661,400.49 = 171,038.35 : x
  2. Step 2: Convert to fraction form
    441,052.39/661,400.49 = 171,038.35/x
  3. Step 3: Cross multiply
    441,052.39x = 661,400.49 × 171,038.35
  4. Step 4: Simplify right side
    441,052.39x = 113,124,848,498.79
  5. Step 5: Solve for x
    x = 113,124,848,498.79/441,052.39
  6. Step 6: Final answer
    x = 256,488.46

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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.