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Finding the Fourth Proportional to 848,507.60, 1,272,732.60 and 217,427.60

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Solution

The fourth proportional to 848,507.60, 1,272,732.60 and 217,427.60 is: 326,134.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,507.60 : 1,272,732.60 = 217,427.60 : x
  2. Step 2: Convert to fraction form
    848,507.60/1,272,732.60 = 217,427.60/x
  3. Step 3: Cross multiply
    848,507.60x = 1,272,732.60 × 217,427.60
  4. Step 4: Simplify right side
    848,507.60x = 276,727,194,659.76
  5. Step 5: Solve for x
    x = 276,727,194,659.76/848,507.60
  6. Step 6: Final answer
    x = 326,134.02

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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.