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Finding the Fourth Proportional to 235,087.60, 352,631.40 and 199,658.20

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Solution

The fourth proportional to 235,087.60, 352,631.40 and 199,658.20 is: 299,487.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,087.60 : 352,631.40 = 199,658.20 : x
  2. Step 2: Convert to fraction form
    235,087.60/352,631.40 = 199,658.20/x
  3. Step 3: Cross multiply
    235,087.60x = 352,631.40 × 199,658.20
  4. Step 4: Simplify right side
    235,087.60x = 70,405,750,587.48
  5. Step 5: Solve for x
    x = 70,405,750,587.48/235,087.60
  6. Step 6: Final answer
    x = 299,487.30

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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.