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Finding the Fourth Proportional to 565,741.70, 848,612.55 and 488,759.30

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Solution

The fourth proportional to 565,741.70, 848,612.55 and 488,759.30 is: 733,138.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,741.70 : 848,612.55 = 488,759.30 : x
  2. Step 2: Convert to fraction form
    565,741.70/848,612.55 = 488,759.30/x
  3. Step 3: Cross multiply
    565,741.70x = 848,612.55 × 488,759.30
  4. Step 4: Simplify right side
    565,741.70x = 414,767,275,909.22
  5. Step 5: Solve for x
    x = 414,767,275,909.22/565,741.70
  6. Step 6: Final answer
    x = 733,138.95

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Double scale
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Similar ratio
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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.