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Finding the Fourth Proportional to 330,892.74, 496,394.48 and 259,812.52

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Solution

The fourth proportional to 330,892.74, 496,394.48 and 259,812.52 is: 389,762.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,892.74 : 496,394.48 = 259,812.52 : x
  2. Step 2: Convert to fraction form
    330,892.74/496,394.48 = 259,812.52/x
  3. Step 3: Cross multiply
    330,892.74x = 496,394.48 × 259,812.52
  4. Step 4: Simplify right side
    330,892.74x = 128,969,500,762.89
  5. Step 5: Solve for x
    x = 128,969,500,762.89/330,892.74
  6. Step 6: Final answer
    x = 389,762.26

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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.