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Finding the Fourth Proportional to 446,809.60, 616,578.24 and 245,605.12

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Solution

The fourth proportional to 446,809.60, 616,578.24 and 245,605.12 is: 338,924.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,809.60 : 616,578.24 = 245,605.12 : x
  2. Step 2: Convert to fraction form
    446,809.60/616,578.24 = 245,605.12/x
  3. Step 3: Cross multiply
    446,809.60x = 616,578.24 × 245,605.12
  4. Step 4: Simplify right side
    446,809.60x = 151,434,772,624.59
  5. Step 5: Solve for x
    x = 151,434,772,624.59/446,809.60
  6. Step 6: Final answer
    x = 338,924.62

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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.