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Finding the Fourth Proportional to 370,003.54, 510,604.68 and 208,859.98

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Solution

The fourth proportional to 370,003.54, 510,604.68 and 208,859.98 is: 288,226.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,003.54 : 510,604.68 = 208,859.98 : x
  2. Step 2: Convert to fraction form
    370,003.54/510,604.68 = 208,859.98/x
  3. Step 3: Cross multiply
    370,003.54x = 510,604.68 × 208,859.98
  4. Step 4: Simplify right side
    370,003.54x = 106,644,883,252.71
  5. Step 5: Solve for x
    x = 106,644,883,252.71/370,003.54
  6. Step 6: Final answer
    x = 288,226.66

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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.