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Finding the Fourth Proportional to 577,291.50, 796,660.28 and 322,642.69

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Solution

The fourth proportional to 577,291.50, 796,660.28 and 322,642.69 is: 445,245.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,291.50 : 796,660.28 = 322,642.69 : x
  2. Step 2: Convert to fraction form
    577,291.50/796,660.28 = 322,642.69/x
  3. Step 3: Cross multiply
    577,291.50x = 796,660.28 × 322,642.69
  4. Step 4: Simplify right side
    577,291.50x = 257,036,615,755.35
  5. Step 5: Solve for x
    x = 257,036,615,755.35/577,291.50
  6. Step 6: Final answer
    x = 445,245.80

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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.