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Finding the Fourth Proportional to 622,833.40, 859,510.10 and 336,353.48

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Solution

The fourth proportional to 622,833.40, 859,510.10 and 336,353.48 is: 464,167.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,833.40 : 859,510.10 = 336,353.48 : x
  2. Step 2: Convert to fraction form
    622,833.40/859,510.10 = 336,353.48/x
  3. Step 3: Cross multiply
    622,833.40x = 859,510.10 × 336,353.48
  4. Step 4: Simplify right side
    622,833.40x = 289,099,213,230.15
  5. Step 5: Solve for x
    x = 289,099,213,230.15/622,833.40
  6. Step 6: Final answer
    x = 464,167.81

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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.