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Finding the Fourth Proportional to 579,181.23, 798,796.19 and 407,666.97

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Solution

The fourth proportional to 579,181.23, 798,796.19 and 407,666.97 is: 562,246.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,181.23 : 798,796.19 = 407,666.97 : x
  2. Step 2: Convert to fraction form
    579,181.23/798,796.19 = 407,666.97/x
  3. Step 3: Cross multiply
    579,181.23x = 798,796.19 × 407,666.97
  4. Step 4: Simplify right side
    579,181.23x = 325,642,816,392.53
  5. Step 5: Solve for x
    x = 325,642,816,392.53/579,181.23
  6. Step 6: Final answer
    x = 562,246.84

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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.