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Finding the Fourth Proportional to 577,984.74, 797,600.43 and 323,330.46

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Solution

The fourth proportional to 577,984.74, 797,600.43 and 323,330.46 is: 446,185.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,984.74 : 797,600.43 = 323,330.46 : x
  2. Step 2: Convert to fraction form
    577,984.74/797,600.43 = 323,330.46/x
  3. Step 3: Cross multiply
    577,984.74x = 797,600.43 × 323,330.46
  4. Step 4: Simplify right side
    577,984.74x = 257,888,513,928.10
  5. Step 5: Solve for x
    x = 257,888,513,928.10/577,984.74
  6. Step 6: Final answer
    x = 446,185.68

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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.