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Finding the Fourth Proportional to 555,191.20, 832,662.16 and 255,383.84

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Solution

The fourth proportional to 555,191.20, 832,662.16 and 255,383.84 is: 383,018.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,191.20 : 832,662.16 = 255,383.84 : x
  2. Step 2: Convert to fraction form
    555,191.20/832,662.16 = 255,383.84/x
  3. Step 3: Cross multiply
    555,191.20x = 832,662.16 × 255,383.84
  4. Step 4: Simplify right side
    555,191.20x = 212,648,459,843.49
  5. Step 5: Solve for x
    x = 212,648,459,843.49/555,191.20
  6. Step 6: Final answer
    x = 383,018.43

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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.