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Finding the Fourth Proportional to 446,398.06, 616,033.79 and 242,450.89

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Solution

The fourth proportional to 446,398.06, 616,033.79 and 242,450.89 is: 334,584.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,398.06 : 616,033.79 = 242,450.89 : x
  2. Step 2: Convert to fraction form
    446,398.06/616,033.79 = 242,450.89/x
  3. Step 3: Cross multiply
    446,398.06x = 616,033.79 × 242,450.89
  4. Step 4: Simplify right side
    446,398.06x = 149,357,940,655.57
  5. Step 5: Solve for x
    x = 149,357,940,655.57/446,398.06
  6. Step 6: Final answer
    x = 334,584.65

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1.5x scale

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.