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Finding the Fourth Proportional to 535,061.60, 738,365.41 and 293,338.86

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Solution

The fourth proportional to 535,061.60, 738,365.41 and 293,338.86 is: 404,796.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,061.60 : 738,365.41 = 293,338.86 : x
  2. Step 2: Convert to fraction form
    535,061.60/738,365.41 = 293,338.86/x
  3. Step 3: Cross multiply
    535,061.60x = 738,365.41 × 293,338.86
  4. Step 4: Simplify right side
    535,061.60x = 216,591,266,166.14
  5. Step 5: Solve for x
    x = 216,591,266,166.14/535,061.60
  6. Step 6: Final answer
    x = 404,796.88

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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.