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Finding the Fourth Proportional to 556,007.46, 833,695.22 and 218,865.50

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Solution

The fourth proportional to 556,007.46, 833,695.22 and 218,865.50 is: 328,173.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,007.46 : 833,695.22 = 218,865.50 : x
  2. Step 2: Convert to fraction form
    556,007.46/833,695.22 = 218,865.50/x
  3. Step 3: Cross multiply
    556,007.46x = 833,695.22 × 218,865.50
  4. Step 4: Simplify right side
    556,007.46x = 182,467,121,172.91
  5. Step 5: Solve for x
    x = 182,467,121,172.91/556,007.46
  6. Step 6: Final answer
    x = 328,173.87

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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.