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Finding the Fourth Proportional to 622,875.96, 859,568.76 and 336,396.06

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Solution

The fourth proportional to 622,875.96, 859,568.76 and 336,396.06 is: 464,226.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,875.96 : 859,568.76 = 336,396.06 : x
  2. Step 2: Convert to fraction form
    622,875.96/859,568.76 = 336,396.06/x
  3. Step 3: Cross multiply
    622,875.96x = 859,568.76 × 336,396.06
  4. Step 4: Simplify right side
    622,875.96x = 289,155,544,163.09
  5. Step 5: Solve for x
    x = 289,155,544,163.09/622,875.96
  6. Step 6: Final answer
    x = 464,226.53

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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.