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Finding the Fourth Proportional to 400,244.99, 552,333.62 and 218,962.13

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Solution

The fourth proportional to 400,244.99, 552,333.62 and 218,962.13 is: 302,165.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,244.99 : 552,333.62 = 218,962.13 : x
  2. Step 2: Convert to fraction form
    400,244.99/552,333.62 = 218,962.13/x
  3. Step 3: Cross multiply
    400,244.99x = 552,333.62 × 218,962.13
  4. Step 4: Simplify right side
    400,244.99x = 120,940,144,811.00
  5. Step 5: Solve for x
    x = 120,940,144,811.00/400,244.99
  6. Step 6: Final answer
    x = 302,165.29

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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.