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Finding the Fourth Proportional to 299,994.61, 414,030.64 and 170,979.46

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Solution

The fourth proportional to 299,994.61, 414,030.64 and 170,979.46 is: 235,973.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,994.61 : 414,030.64 = 170,979.46 : x
  2. Step 2: Convert to fraction form
    299,994.61/414,030.64 = 170,979.46/x
  3. Step 3: Cross multiply
    299,994.61x = 414,030.64 × 170,979.46
  4. Step 4: Simplify right side
    299,994.61x = 70,790,732,753.05
  5. Step 5: Solve for x
    x = 70,790,732,753.05/299,994.61
  6. Step 6: Final answer
    x = 235,973.35

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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.