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Finding the Fourth Proportional to 297,335.80, 445,092.45 and 163,807.30

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Solution

The fourth proportional to 297,335.80, 445,092.45 and 163,807.30 is: 245,208.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,335.80 : 445,092.45 = 163,807.30 : x
  2. Step 2: Convert to fraction form
    297,335.80/445,092.45 = 163,807.30/x
  3. Step 3: Cross multiply
    297,335.80x = 445,092.45 × 163,807.30
  4. Step 4: Simplify right side
    297,335.80x = 72,909,392,484.89
  5. Step 5: Solve for x
    x = 72,909,392,484.89/297,335.80
  6. Step 6: Final answer
    x = 245,208.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.