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Finding the Fourth Proportional to 318,284.52, 439,222.44 and 175,044.12

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Solution

The fourth proportional to 318,284.52, 439,222.44 and 175,044.12 is: 241,555.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,284.52 : 439,222.44 = 175,044.12 : x
  2. Step 2: Convert to fraction form
    318,284.52/439,222.44 = 175,044.12/x
  3. Step 3: Cross multiply
    318,284.52x = 439,222.44 × 175,044.12
  4. Step 4: Simplify right side
    318,284.52x = 76,883,305,494.05
  5. Step 5: Solve for x
    x = 76,883,305,494.05/318,284.52
  6. Step 6: Final answer
    x = 241,555.28

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1.5x scale

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.