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Finding the Fourth Proportional to 577,986.42, 797,781.71 and 336,315.84

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Solution

The fourth proportional to 577,986.42, 797,781.71 and 336,315.84 is: 464,209.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,986.42 : 797,781.71 = 336,315.84 : x
  2. Step 2: Convert to fraction form
    577,986.42/797,781.71 = 336,315.84/x
  3. Step 3: Cross multiply
    577,986.42x = 797,781.71 × 336,315.84
  4. Step 4: Simplify right side
    577,986.42x = 268,306,625,935.29
  5. Step 5: Solve for x
    x = 268,306,625,935.29/577,986.42
  6. Step 6: Final answer
    x = 464,209.22

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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.