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Finding the Fourth Proportional to 459,853.44, 689,920.60 and 235,372.92

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Solution

The fourth proportional to 459,853.44, 689,920.60 and 235,372.92 is: 353,131.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,853.44 : 689,920.60 = 235,372.92 : x
  2. Step 2: Convert to fraction form
    459,853.44/689,920.60 = 235,372.92/x
  3. Step 3: Cross multiply
    459,853.44x = 689,920.60 × 235,372.92
  4. Step 4: Simplify right side
    459,853.44x = 162,388,626,190.15
  5. Step 5: Solve for x
    x = 162,388,626,190.15/459,853.44
  6. Step 6: Final answer
    x = 353,131.26

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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.