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Finding the Fourth Proportional to 446,419.73, 616,063.71 and 242,474.65

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Solution

The fourth proportional to 446,419.73, 616,063.71 and 242,474.65 is: 334,617.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,419.73 : 616,063.71 = 242,474.65 : x
  2. Step 2: Convert to fraction form
    446,419.73/616,063.71 = 242,474.65/x
  3. Step 3: Cross multiply
    446,419.73x = 616,063.71 × 242,474.65
  4. Step 4: Simplify right side
    446,419.73x = 149,379,830,919.79
  5. Step 5: Solve for x
    x = 149,379,830,919.79/446,419.73
  6. Step 6: Final answer
    x = 334,617.45

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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.