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Finding the Fourth Proportional to 297,333, 445,995.51 and 72,695.37

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Solution

The fourth proportional to 297,333, 445,995.51 and 72,695.37 is: 109,042.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,333 : 445,995.51 = 72,695.37 : x
  2. Step 2: Convert to fraction form
    297,333/445,995.51 = 72,695.37/x
  3. Step 3: Cross multiply
    297,333x = 445,995.51 × 72,695.37
  4. Step 4: Simplify right side
    297,333x = 32,421,808,617.79
  5. Step 5: Solve for x
    x = 32,421,808,617.79/297,333
  6. Step 6: Final answer
    x = 109,042.08

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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.