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Finding the Fourth Proportional to 618,742.04, 928,287.30 and 239,777.24

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Solution

The fourth proportional to 618,742.04, 928,287.30 and 239,777.24 is: 359,733.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,742.04 : 928,287.30 = 239,777.24 : x
  2. Step 2: Convert to fraction form
    618,742.04/928,287.30 = 239,777.24/x
  3. Step 3: Cross multiply
    618,742.04x = 928,287.30 × 239,777.24
  4. Step 4: Simplify right side
    618,742.04x = 222,582,166,721.05
  5. Step 5: Solve for x
    x = 222,582,166,721.05/618,742.04
  6. Step 6: Final answer
    x = 359,733.38

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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.