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Finding the Fourth Proportional to 622,956.41, 859,680.45 and 336,476.50

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Solution

The fourth proportional to 622,956.41, 859,680.45 and 336,476.50 is: 464,337.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,956.41 : 859,680.45 = 336,476.50 : x
  2. Step 2: Convert to fraction form
    622,956.41/859,680.45 = 336,476.50/x
  3. Step 3: Cross multiply
    622,956.41x = 859,680.45 × 336,476.50
  4. Step 4: Simplify right side
    622,956.41x = 289,262,267,731.56
  5. Step 5: Solve for x
    x = 289,262,267,731.56/622,956.41
  6. Step 6: Final answer
    x = 464,337.89

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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.