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Finding the Fourth Proportional to 926,597.31, 1,278,045.10 and 850,362.59

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Solution

The fourth proportional to 926,597.31, 1,278,045.10 and 850,362.59 is: 1,172,895.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,597.31 : 1,278,045.10 = 850,362.59 : x
  2. Step 2: Convert to fraction form
    926,597.31/1,278,045.10 = 850,362.59/x
  3. Step 3: Cross multiply
    926,597.31x = 1,278,045.10 × 850,362.59
  4. Step 4: Simplify right side
    926,597.31x = 1,086,801,738,441.87
  5. Step 5: Solve for x
    x = 1,086,801,738,441.87/926,597.31
  6. Step 6: Final answer
    x = 1,172,895.42

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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.