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Finding the Fourth Proportional to 350,445.32, 483,614.16 and 189,300.34

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Solution

The fourth proportional to 350,445.32, 483,614.16 and 189,300.34 is: 261,234.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,445.32 : 483,614.16 = 189,300.34 : x
  2. Step 2: Convert to fraction form
    350,445.32/483,614.16 = 189,300.34/x
  3. Step 3: Cross multiply
    350,445.32x = 483,614.16 × 189,300.34
  4. Step 4: Simplify right side
    350,445.32x = 91,548,322,498.74
  5. Step 5: Solve for x
    x = 91,548,322,498.74/350,445.32
  6. Step 6: Final answer
    x = 261,234.26

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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.