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Finding the Fourth Proportional to 297,479.06, 445,775.45 and 164,397.32

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Solution

The fourth proportional to 297,479.06, 445,775.45 and 164,397.32 is: 246,351.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,479.06 : 445,775.45 = 164,397.32 : x
  2. Step 2: Convert to fraction form
    297,479.06/445,775.45 = 164,397.32/x
  3. Step 3: Cross multiply
    297,479.06x = 445,775.45 × 164,397.32
  4. Step 4: Simplify right side
    297,479.06x = 73,284,286,250.93
  5. Step 5: Solve for x
    x = 73,284,286,250.93/297,479.06
  6. Step 6: Final answer
    x = 246,351.08

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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.