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Finding the Fourth Proportional to 492,998.40, 739,065.60 and 334,713.60

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Solution

The fourth proportional to 492,998.40, 739,065.60 and 334,713.60 is: 501,777.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,998.40 : 739,065.60 = 334,713.60 : x
  2. Step 2: Convert to fraction form
    492,998.40/739,065.60 = 334,713.60/x
  3. Step 3: Cross multiply
    492,998.40x = 739,065.60 × 334,713.60
  4. Step 4: Simplify right side
    492,998.40x = 247,375,307,612.16
  5. Step 5: Solve for x
    x = 247,375,307,612.16/492,998.40
  6. Step 6: Final answer
    x = 501,777.10

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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.