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Finding the Fourth Proportional to 555,791.04, 766,989.58 and 301,142.88

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Solution

The fourth proportional to 555,791.04, 766,989.58 and 301,142.88 is: 415,576.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,791.04 : 766,989.58 = 301,142.88 : x
  2. Step 2: Convert to fraction form
    555,791.04/766,989.58 = 301,142.88/x
  3. Step 3: Cross multiply
    555,791.04x = 766,989.58 × 301,142.88
  4. Step 4: Simplify right side
    555,791.04x = 230,973,451,051.19
  5. Step 5: Solve for x
    x = 230,973,451,051.19/555,791.04
  6. Step 6: Final answer
    x = 415,576.06

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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.