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Finding the Fourth Proportional to 593,443.20, 889,771.20 and 327,331.20

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Solution

The fourth proportional to 593,443.20, 889,771.20 and 327,331.20 is: 490,779.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,443.20 : 889,771.20 = 327,331.20 : x
  2. Step 2: Convert to fraction form
    593,443.20/889,771.20 = 327,331.20/x
  3. Step 3: Cross multiply
    593,443.20x = 889,771.20 × 327,331.20
  4. Step 4: Simplify right side
    593,443.20x = 291,249,874,621.44
  5. Step 5: Solve for x
    x = 291,249,874,621.44/593,443.20
  6. Step 6: Final answer
    x = 490,779.70

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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.