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Finding the Fourth Proportional to 555,181.14, 832,647.18 and 255,373.80

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Solution

The fourth proportional to 555,181.14, 832,647.18 and 255,373.80 is: 383,003.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,181.14 : 832,647.18 = 255,373.80 : x
  2. Step 2: Convert to fraction form
    555,181.14/832,647.18 = 255,373.80/x
  3. Step 3: Cross multiply
    555,181.14x = 832,647.18 × 255,373.80
  4. Step 4: Simplify right side
    555,181.14x = 212,636,274,415.88
  5. Step 5: Solve for x
    x = 212,636,274,415.88/555,181.14
  6. Step 6: Final answer
    x = 383,003.42

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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.