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Finding the Fourth Proportional to 593,679.60, 890,519.40 and 172,969.20

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Solution

The fourth proportional to 593,679.60, 890,519.40 and 172,969.20 is: 259,453.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,679.60 : 890,519.40 = 172,969.20 : x
  2. Step 2: Convert to fraction form
    593,679.60/890,519.40 = 172,969.20/x
  3. Step 3: Cross multiply
    593,679.60x = 890,519.40 × 172,969.20
  4. Step 4: Simplify right side
    593,679.60x = 154,032,428,202.48
  5. Step 5: Solve for x
    x = 154,032,428,202.48/593,679.60
  6. Step 6: Final answer
    x = 259,453.80

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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.