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Finding the Fourth Proportional to 593,500.40, 890,077.80 and 327,388.40

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Solution

The fourth proportional to 593,500.40, 890,077.80 and 327,388.40 is: 490,987.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,500.40 : 890,077.80 = 327,388.40 : x
  2. Step 2: Convert to fraction form
    593,500.40/890,077.80 = 327,388.40/x
  3. Step 3: Cross multiply
    593,500.40x = 890,077.80 × 327,388.40
  4. Step 4: Simplify right side
    593,500.40x = 291,401,146,817.52
  5. Step 5: Solve for x
    x = 291,401,146,817.52/593,500.40
  6. Step 6: Final answer
    x = 490,987.28

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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.