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Finding the Fourth Proportional to 593,270.80, 889,711.80 and 219,245.20

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Solution

The fourth proportional to 593,270.80, 889,711.80 and 219,245.20 is: 328,795.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,270.80 : 889,711.80 = 219,245.20 : x
  2. Step 2: Convert to fraction form
    593,270.80/889,711.80 = 219,245.20/x
  3. Step 3: Cross multiply
    593,270.80x = 889,711.80 × 219,245.20
  4. Step 4: Simplify right side
    593,270.80x = 195,065,041,533.36
  5. Step 5: Solve for x
    x = 195,065,041,533.36/593,270.80
  6. Step 6: Final answer
    x = 328,795.96

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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.