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Finding the Fourth Proportional to 235,634.20, 353,451.30 and 210,046.30

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Solution

The fourth proportional to 235,634.20, 353,451.30 and 210,046.30 is: 315,069.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,634.20 : 353,451.30 = 210,046.30 : x
  2. Step 2: Convert to fraction form
    235,634.20/353,451.30 = 210,046.30/x
  3. Step 3: Cross multiply
    235,634.20x = 353,451.30 × 210,046.30
  4. Step 4: Simplify right side
    235,634.20x = 74,241,137,795.19
  5. Step 5: Solve for x
    x = 74,241,137,795.19/235,634.20
  6. Step 6: Final answer
    x = 315,069.45

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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.