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Finding the Fourth Proportional to 362,212.20, 493,448.40 and 362,212.20

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Solution

The fourth proportional to 362,212.20, 493,448.40 and 362,212.20 is: 493,448.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,212.20 : 493,448.40 = 362,212.20 : x
  2. Step 2: Convert to fraction form
    362,212.20/493,448.40 = 362,212.20/x
  3. Step 3: Cross multiply
    362,212.20x = 493,448.40 × 362,212.20
  4. Step 4: Simplify right side
    362,212.20x = 178,733,030,550.48
  5. Step 5: Solve for x
    x = 178,733,030,550.48/362,212.20
  6. Step 6: Final answer
    x = 493,448.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.