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Finding the Fourth Proportional to 593,999.60, 890,999.40 and 505,644.80

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Solution

The fourth proportional to 593,999.60, 890,999.40 and 505,644.80 is: 758,467.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,999.60 : 890,999.40 = 505,644.80 : x
  2. Step 2: Convert to fraction form
    593,999.60/890,999.40 = 505,644.80/x
  3. Step 3: Cross multiply
    593,999.60x = 890,999.40 × 505,644.80
  4. Step 4: Simplify right side
    593,999.60x = 450,529,213,413.12
  5. Step 5: Solve for x
    x = 450,529,213,413.12/593,999.60
  6. Step 6: Final answer
    x = 758,467.20

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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.