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Finding the Fourth Proportional to 211,393.34, 291,553.40 and 185,845.40

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Solution

The fourth proportional to 211,393.34, 291,553.40 and 185,845.40 is: 256,317.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,393.34 : 291,553.40 = 185,845.40 : x
  2. Step 2: Convert to fraction form
    211,393.34/291,553.40 = 185,845.40/x
  3. Step 3: Cross multiply
    211,393.34x = 291,553.40 × 185,845.40
  4. Step 4: Simplify right side
    211,393.34x = 54,183,858,244.36
  5. Step 5: Solve for x
    x = 54,183,858,244.36/211,393.34
  6. Step 6: Final answer
    x = 256,317.72

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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.