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Finding the Fourth Proportional to 430,172.04, 593,711.72 and 248,983.88

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Solution

The fourth proportional to 430,172.04, 593,711.72 and 248,983.88 is: 343,640.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,172.04 : 593,711.72 = 248,983.88 : x
  2. Step 2: Convert to fraction form
    430,172.04/593,711.72 = 248,983.88/x
  3. Step 3: Cross multiply
    430,172.04x = 593,711.72 × 248,983.88
  4. Step 4: Simplify right side
    430,172.04x = 147,824,645,767.82
  5. Step 5: Solve for x
    x = 147,824,645,767.82/430,172.04
  6. Step 6: Final answer
    x = 343,640.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.