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Finding the Fourth Proportional to 618,795.91, 928,194.67 and 169,520.70

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Solution

The fourth proportional to 618,795.91, 928,194.67 and 169,520.70 is: 254,281.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,795.91 : 928,194.67 = 169,520.70 : x
  2. Step 2: Convert to fraction form
    618,795.91/928,194.67 = 169,520.70/x
  3. Step 3: Cross multiply
    618,795.91x = 928,194.67 × 169,520.70
  4. Step 4: Simplify right side
    618,795.91x = 157,348,210,194.67
  5. Step 5: Solve for x
    x = 157,348,210,194.67/618,795.91
  6. Step 6: Final answer
    x = 254,281.27

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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.