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Finding the Fourth Proportional to 593,276.80, 889,720.80 and 219,251.20

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Solution

The fourth proportional to 593,276.80, 889,720.80 and 219,251.20 is: 328,804.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,276.80 : 889,720.80 = 219,251.20 : x
  2. Step 2: Convert to fraction form
    593,276.80/889,720.80 = 219,251.20/x
  3. Step 3: Cross multiply
    593,276.80x = 889,720.80 × 219,251.20
  4. Step 4: Simplify right side
    593,276.80x = 195,072,353,064.96
  5. Step 5: Solve for x
    x = 195,072,353,064.96/593,276.80
  6. Step 6: Final answer
    x = 328,804.96

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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.