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Finding the Fourth Proportional to 618,780.10, 928,170.94 and 169,504.92

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Solution

The fourth proportional to 618,780.10, 928,170.94 and 169,504.92 is: 254,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,780.10 : 928,170.94 = 169,504.92 : x
  2. Step 2: Convert to fraction form
    618,780.10/928,170.94 = 169,504.92/x
  3. Step 3: Cross multiply
    618,780.10x = 928,170.94 × 169,504.92
  4. Step 4: Simplify right side
    618,780.10x = 157,329,540,931.03
  5. Step 5: Solve for x
    x = 157,329,540,931.03/618,780.10
  6. Step 6: Final answer
    x = 254,257.60

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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.