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Finding the Fourth Proportional to 310,558.60, 465,376.20 and 160,598.80

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Solution

The fourth proportional to 310,558.60, 465,376.20 and 160,598.80 is: 240,659.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,558.60 : 465,376.20 = 160,598.80 : x
  2. Step 2: Convert to fraction form
    310,558.60/465,376.20 = 160,598.80/x
  3. Step 3: Cross multiply
    310,558.60x = 465,376.20 × 160,598.80
  4. Step 4: Simplify right side
    310,558.60x = 74,738,859,268.56
  5. Step 5: Solve for x
    x = 74,738,859,268.56/310,558.60
  6. Step 6: Final answer
    x = 240,659.44

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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.