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Finding the Fourth Proportional to 622,812.95, 859,481.85 and 336,333.03

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Solution

The fourth proportional to 622,812.95, 859,481.85 and 336,333.03 is: 464,139.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,812.95 : 859,481.85 = 336,333.03 : x
  2. Step 2: Convert to fraction form
    622,812.95/859,481.85 = 336,333.03/x
  3. Step 3: Cross multiply
    622,812.95x = 859,481.85 × 336,333.03
  4. Step 4: Simplify right side
    622,812.95x = 289,072,132,878.70
  5. Step 5: Solve for x
    x = 289,072,132,878.70/622,812.95
  6. Step 6: Final answer
    x = 464,139.57

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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.