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Finding the Fourth Proportional to 647,248.18, 970,871.42 and 173,933.54

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Solution

The fourth proportional to 647,248.18, 970,871.42 and 173,933.54 is: 260,900.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,248.18 : 970,871.42 = 173,933.54 : x
  2. Step 2: Convert to fraction form
    647,248.18/970,871.42 = 173,933.54/x
  3. Step 3: Cross multiply
    647,248.18x = 970,871.42 × 173,933.54
  4. Step 4: Simplify right side
    647,248.18x = 168,867,102,965.43
  5. Step 5: Solve for x
    x = 168,867,102,965.43/647,248.18
  6. Step 6: Final answer
    x = 260,900.08

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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.