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Finding the Fourth Proportional to 579,182.41, 798,797.82 and 407,668.15

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Solution

The fourth proportional to 579,182.41, 798,797.82 and 407,668.15 is: 562,248.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,182.41 : 798,797.82 = 407,668.15 : x
  2. Step 2: Convert to fraction form
    579,182.41/798,797.82 = 407,668.15/x
  3. Step 3: Cross multiply
    579,182.41x = 798,797.82 × 407,668.15
  4. Step 4: Simplify right side
    579,182.41x = 325,644,432,030.69
  5. Step 5: Solve for x
    x = 325,644,432,030.69/579,182.41
  6. Step 6: Final answer
    x = 562,248.48

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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.