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Finding the Fourth Proportional to 318,244.63, 439,180.82 and 175,005.73

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Solution

The fourth proportional to 318,244.63, 439,180.82 and 175,005.73 is: 241,509.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,244.63 : 439,180.82 = 175,005.73 : x
  2. Step 2: Convert to fraction form
    318,244.63/439,180.82 = 175,005.73/x
  3. Step 3: Cross multiply
    318,244.63x = 439,180.82 × 175,005.73
  4. Step 4: Simplify right side
    318,244.63x = 76,859,160,006.10
  5. Step 5: Solve for x
    x = 76,859,160,006.10/318,244.63
  6. Step 6: Final answer
    x = 241,509.68

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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.