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Finding the Fourth Proportional to 330,963.76, 496,450.72 and 94,312

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Solution

The fourth proportional to 330,963.76, 496,450.72 and 94,312 is: 141,469.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,963.76 : 496,450.72 = 94,312 : x
  2. Step 2: Convert to fraction form
    330,963.76/496,450.72 = 94,312/x
  3. Step 3: Cross multiply
    330,963.76x = 496,450.72 × 94,312
  4. Step 4: Simplify right side
    330,963.76x = 46,821,260,304.64
  5. Step 5: Solve for x
    x = 46,821,260,304.64/330,963.76
  6. Step 6: Final answer
    x = 141,469.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.