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Finding the Fourth Proportional to 377,424.44, 520,853.66 and 207,658.88

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Solution

The fourth proportional to 377,424.44, 520,853.66 and 207,658.88 is: 286,573.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,424.44 : 520,853.66 = 207,658.88 : x
  2. Step 2: Convert to fraction form
    377,424.44/520,853.66 = 207,658.88/x
  3. Step 3: Cross multiply
    377,424.44x = 520,853.66 × 207,658.88
  4. Step 4: Simplify right side
    377,424.44x = 108,159,887,679.50
  5. Step 5: Solve for x
    x = 108,159,887,679.50/377,424.44
  6. Step 6: Final answer
    x = 286,573.62

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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.