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Finding the Fourth Proportional to 382,601.42, 527,994.36 and 219,254.69

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Solution

The fourth proportional to 382,601.42, 527,994.36 and 219,254.69 is: 302,573.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,601.42 : 527,994.36 = 219,254.69 : x
  2. Step 2: Convert to fraction form
    382,601.42/527,994.36 = 219,254.69/x
  3. Step 3: Cross multiply
    382,601.42x = 527,994.36 × 219,254.69
  4. Step 4: Simplify right side
    382,601.42x = 115,765,237,083.58
  5. Step 5: Solve for x
    x = 115,765,237,083.58/382,601.42
  6. Step 6: Final answer
    x = 302,573.99

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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.