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Finding the Fourth Proportional to 446,617.36, 616,334.24 and 242,668.81

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Solution

The fourth proportional to 446,617.36, 616,334.24 and 242,668.81 is: 334,884.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,617.36 : 616,334.24 = 242,668.81 : x
  2. Step 2: Convert to fraction form
    446,617.36/616,334.24 = 242,668.81/x
  3. Step 3: Cross multiply
    446,617.36x = 616,334.24 × 242,668.81
  4. Step 4: Simplify right side
    446,617.36x = 149,565,096,583.05
  5. Step 5: Solve for x
    x = 149,565,096,583.05/446,617.36
  6. Step 6: Final answer
    x = 334,884.20

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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.