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Finding the Fourth Proportional to 593,047.83, 889,563.78 and 143,772.60

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Solution

The fourth proportional to 593,047.83, 889,563.78 and 143,772.60 is: 215,656.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,047.83 : 889,563.78 = 143,772.60 : x
  2. Step 2: Convert to fraction form
    593,047.83/889,563.78 = 143,772.60/x
  3. Step 3: Cross multiply
    593,047.83x = 889,563.78 × 143,772.60
  4. Step 4: Simplify right side
    593,047.83x = 127,894,897,516.43
  5. Step 5: Solve for x
    x = 127,894,897,516.43/593,047.83
  6. Step 6: Final answer
    x = 215,656.97

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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.