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Finding the Fourth Proportional to 243,010.20, 364,515.30 and 234,845.40

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Solution

The fourth proportional to 243,010.20, 364,515.30 and 234,845.40 is: 352,268.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,010.20 : 364,515.30 = 234,845.40 : x
  2. Step 2: Convert to fraction form
    243,010.20/364,515.30 = 234,845.40/x
  3. Step 3: Cross multiply
    243,010.20x = 364,515.30 × 234,845.40
  4. Step 4: Simplify right side
    243,010.20x = 85,604,741,434.62
  5. Step 5: Solve for x
    x = 85,604,741,434.62/243,010.20
  6. Step 6: Final answer
    x = 352,268.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.