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Finding the Fourth Proportional to 544,421, 751,265.38 and 302,694.68

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Solution

The fourth proportional to 544,421, 751,265.38 and 302,694.68 is: 417,698.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,421 : 751,265.38 = 302,694.68 : x
  2. Step 2: Convert to fraction form
    544,421/751,265.38 = 302,694.68/x
  3. Step 3: Cross multiply
    544,421x = 751,265.38 × 302,694.68
  4. Step 4: Simplify right side
    544,421x = 227,404,033,794.18
  5. Step 5: Solve for x
    x = 227,404,033,794.18/544,421
  6. Step 6: Final answer
    x = 417,698.87

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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.