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Finding the Fourth Proportional to 618,812.03, 928,218.90 and 169,536.80

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Solution

The fourth proportional to 618,812.03, 928,218.90 and 169,536.80 is: 254,305.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,812.03 : 928,218.90 = 169,536.80 : x
  2. Step 2: Convert to fraction form
    618,812.03/928,218.90 = 169,536.80/x
  3. Step 3: Cross multiply
    618,812.03x = 928,218.90 × 169,536.80
  4. Step 4: Simplify right side
    618,812.03x = 157,367,262,005.52
  5. Step 5: Solve for x
    x = 157,367,262,005.52/618,812.03
  6. Step 6: Final answer
    x = 254,305.43

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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.