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Finding the Fourth Proportional to 644,870.83, 967,305.10 and 171,556.19

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Solution

The fourth proportional to 644,870.83, 967,305.10 and 171,556.19 is: 257,333.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,870.83 : 967,305.10 = 171,556.19 : x
  2. Step 2: Convert to fraction form
    644,870.83/967,305.10 = 171,556.19/x
  3. Step 3: Cross multiply
    644,870.83x = 967,305.10 × 171,556.19
  4. Step 4: Simplify right side
    644,870.83x = 165,947,172,258.15
  5. Step 5: Solve for x
    x = 165,947,172,258.15/644,870.83
  6. Step 6: Final answer
    x = 257,333.97

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1.5x scale

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.