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Finding the Fourth Proportional to 618,777.45, 928,255.19 and 234,667.71

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Solution

The fourth proportional to 618,777.45, 928,255.19 and 234,667.71 is: 352,035.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,777.45 : 928,255.19 = 234,667.71 : x
  2. Step 2: Convert to fraction form
    618,777.45/928,255.19 = 234,667.71/x
  3. Step 3: Cross multiply
    618,777.45x = 928,255.19 × 234,667.71
  4. Step 4: Simplify right side
    618,777.45x = 217,831,518,559.58
  5. Step 5: Solve for x
    x = 217,831,518,559.58/618,777.45
  6. Step 6: Final answer
    x = 352,035.32

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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.