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Finding the Fourth Proportional to 671,367.29, 926,488.53 and 365,443.65

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Solution

The fourth proportional to 671,367.29, 926,488.53 and 365,443.65 is: 504,313.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,367.29 : 926,488.53 = 365,443.65 : x
  2. Step 2: Convert to fraction form
    671,367.29/926,488.53 = 365,443.65/x
  3. Step 3: Cross multiply
    671,367.29x = 926,488.53 × 365,443.65
  4. Step 4: Simplify right side
    671,367.29x = 338,579,350,086.34
  5. Step 5: Solve for x
    x = 338,579,350,086.34/671,367.29
  6. Step 6: Final answer
    x = 504,313.15

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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.