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Finding the Fourth Proportional to 330,894.72, 496,336.32 and 94,239.36

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Solution

The fourth proportional to 330,894.72, 496,336.32 and 94,239.36 is: 141,357.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,894.72 : 496,336.32 = 94,239.36 : x
  2. Step 2: Convert to fraction form
    330,894.72/496,336.32 = 94,239.36/x
  3. Step 3: Cross multiply
    330,894.72x = 496,336.32 × 94,239.36
  4. Step 4: Simplify right side
    330,894.72x = 46,774,417,141.56
  5. Step 5: Solve for x
    x = 46,774,417,141.56/330,894.72
  6. Step 6: Final answer
    x = 141,357.40

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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.