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Finding the Fourth Proportional to 510,248.26, 704,099.68 and 300,662.92

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Solution

The fourth proportional to 510,248.26, 704,099.68 and 300,662.92 is: 414,889.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,248.26 : 704,099.68 = 300,662.92 : x
  2. Step 2: Convert to fraction form
    510,248.26/704,099.68 = 300,662.92/x
  3. Step 3: Cross multiply
    510,248.26x = 704,099.68 × 300,662.92
  4. Step 4: Simplify right side
    510,248.26x = 211,696,665,759.87
  5. Step 5: Solve for x
    x = 211,696,665,759.87/510,248.26
  6. Step 6: Final answer
    x = 414,889.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.