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Finding the Fourth Proportional to 349,030.96, 523,572.96 and 135,707.22

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Solution

The fourth proportional to 349,030.96, 523,572.96 and 135,707.22 is: 203,571.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,030.96 : 523,572.96 = 135,707.22 : x
  2. Step 2: Convert to fraction form
    349,030.96/523,572.96 = 135,707.22/x
  3. Step 3: Cross multiply
    349,030.96x = 523,572.96 × 135,707.22
  4. Step 4: Simplify right side
    349,030.96x = 71,052,632,850.22
  5. Step 5: Solve for x
    x = 71,052,632,850.22/349,030.96
  6. Step 6: Final answer
    x = 203,571.15

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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.