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Finding the Fourth Proportional to 593,269.41, 889,896.69 and 143,994

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Solution

The fourth proportional to 593,269.41, 889,896.69 and 143,994 is: 215,989.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,269.41 : 889,896.69 = 143,994 : x
  2. Step 2: Convert to fraction form
    593,269.41/889,896.69 = 143,994/x
  3. Step 3: Cross multiply
    593,269.41x = 889,896.69 × 143,994
  4. Step 4: Simplify right side
    593,269.41x = 128,139,783,979.86
  5. Step 5: Solve for x
    x = 128,139,783,979.86/593,269.41
  6. Step 6: Final answer
    x = 215,989.20

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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.