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Finding the Fourth Proportional to 555,164.64, 832,622.34 and 255,357.24

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Solution

The fourth proportional to 555,164.64, 832,622.34 and 255,357.24 is: 382,978.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,164.64 : 832,622.34 = 255,357.24 : x
  2. Step 2: Convert to fraction form
    555,164.64/832,622.34 = 255,357.24/x
  3. Step 3: Cross multiply
    555,164.64x = 832,622.34 × 255,357.24
  4. Step 4: Simplify right side
    555,164.64x = 212,616,142,704.74
  5. Step 5: Solve for x
    x = 212,616,142,704.74/555,164.64
  6. Step 6: Final answer
    x = 382,978.54

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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.