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Finding the Fourth Proportional to 297,507.84, 446,339.52 and 172,728.96

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Solution

The fourth proportional to 297,507.84, 446,339.52 and 172,728.96 is: 259,138.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,507.84 : 446,339.52 = 172,728.96 : x
  2. Step 2: Convert to fraction form
    297,507.84/446,339.52 = 172,728.96/x
  3. Step 3: Cross multiply
    297,507.84x = 446,339.52 × 172,728.96
  4. Step 4: Simplify right side
    297,507.84x = 77,095,761,096.50
  5. Step 5: Solve for x
    x = 77,095,761,096.50/297,507.84
  6. Step 6: Final answer
    x = 259,138.59

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1.5x scale

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.