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Finding the Fourth Proportional to 350,446.32, 483,615.54 and 189,301.34

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Solution

The fourth proportional to 350,446.32, 483,615.54 and 189,301.34 is: 261,235.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,446.32 : 483,615.54 = 189,301.34 : x
  2. Step 2: Convert to fraction form
    350,446.32/483,615.54 = 189,301.34/x
  3. Step 3: Cross multiply
    350,446.32x = 483,615.54 × 189,301.34
  4. Step 4: Simplify right side
    350,446.32x = 91,549,069,766.82
  5. Step 5: Solve for x
    x = 91,549,069,766.82/350,446.32
  6. Step 6: Final answer
    x = 261,235.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.