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Finding the Fourth Proportional to 492,344.62, 738,609.57 and 339,117.32

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Solution

The fourth proportional to 492,344.62, 738,609.57 and 339,117.32 is: 508,739.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,344.62 : 738,609.57 = 339,117.32 : x
  2. Step 2: Convert to fraction form
    492,344.62/738,609.57 = 339,117.32/x
  3. Step 3: Cross multiply
    492,344.62x = 738,609.57 × 339,117.32
  4. Step 4: Simplify right side
    492,344.62x = 250,475,299,751.28
  5. Step 5: Solve for x
    x = 250,475,299,751.28/492,344.62
  6. Step 6: Final answer
    x = 508,739.79

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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.