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Finding the Fourth Proportional to 555,179.66, 832,644.91 and 255,372.30

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Solution

The fourth proportional to 555,179.66, 832,644.91 and 255,372.30 is: 383,001.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,179.66 : 832,644.91 = 255,372.30 : x
  2. Step 2: Convert to fraction form
    555,179.66/832,644.91 = 255,372.30/x
  3. Step 3: Cross multiply
    555,179.66x = 832,644.91 × 255,372.30
  4. Step 4: Simplify right side
    555,179.66x = 212,634,445,749.99
  5. Step 5: Solve for x
    x = 212,634,445,749.99/555,179.66
  6. Step 6: Final answer
    x = 383,001.15

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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.