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Finding the Fourth Proportional to 619,305.50, 928,959.71 and 170,032.52

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Solution

The fourth proportional to 619,305.50, 928,959.71 and 170,032.52 is: 255,049.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,305.50 : 928,959.71 = 170,032.52 : x
  2. Step 2: Convert to fraction form
    619,305.50/928,959.71 = 170,032.52/x
  3. Step 3: Cross multiply
    619,305.50x = 928,959.71 × 170,032.52
  4. Step 4: Simplify right side
    619,305.50x = 157,953,361,942.01
  5. Step 5: Solve for x
    x = 157,953,361,942.01/619,305.50
  6. Step 6: Final answer
    x = 255,049.18

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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.