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Finding the Fourth Proportional to 665,724.60, 996,618.60 and 594,865.80

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Solution

The fourth proportional to 665,724.60, 996,618.60 and 594,865.80 is: 890,539.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,724.60 : 996,618.60 = 594,865.80 : x
  2. Step 2: Convert to fraction form
    665,724.60/996,618.60 = 594,865.80/x
  3. Step 3: Cross multiply
    665,724.60x = 996,618.60 × 594,865.80
  4. Step 4: Simplify right side
    665,724.60x = 592,854,320,783.88
  5. Step 5: Solve for x
    x = 592,854,320,783.88/665,724.60
  6. Step 6: Final answer
    x = 890,539.90

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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.