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Finding the Fourth Proportional to 565,981.32, 848,679.78 and 166,570.20

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Solution

The fourth proportional to 565,981.32, 848,679.78 and 166,570.20 is: 249,769.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,981.32 : 848,679.78 = 166,570.20 : x
  2. Step 2: Convert to fraction form
    565,981.32/848,679.78 = 166,570.20/x
  3. Step 3: Cross multiply
    565,981.32x = 848,679.78 × 166,570.20
  4. Step 4: Simplify right side
    565,981.32x = 141,364,760,690.56
  5. Step 5: Solve for x
    x = 141,364,760,690.56/565,981.32
  6. Step 6: Final answer
    x = 249,769.30

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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.