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Finding the Fourth Proportional to 577,574.92, 797,037.06 and 322,949.80

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Solution

The fourth proportional to 577,574.92, 797,037.06 and 322,949.80 is: 445,661.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,574.92 : 797,037.06 = 322,949.80 : x
  2. Step 2: Convert to fraction form
    577,574.92/797,037.06 = 322,949.80/x
  3. Step 3: Cross multiply
    577,574.92x = 797,037.06 × 322,949.80
  4. Step 4: Simplify right side
    577,574.92x = 257,402,959,119.59
  5. Step 5: Solve for x
    x = 257,402,959,119.59/577,574.92
  6. Step 6: Final answer
    x = 445,661.59

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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.