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Finding the Fourth Proportional to 235,269.20, 352,903.80 and 164,410.40

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Solution

The fourth proportional to 235,269.20, 352,903.80 and 164,410.40 is: 246,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,269.20 : 352,903.80 = 164,410.40 : x
  2. Step 2: Convert to fraction form
    235,269.20/352,903.80 = 164,410.40/x
  3. Step 3: Cross multiply
    235,269.20x = 352,903.80 × 164,410.40
  4. Step 4: Simplify right side
    235,269.20x = 58,021,054,919.52
  5. Step 5: Solve for x
    x = 58,021,054,919.52/235,269.20
  6. Step 6: Final answer
    x = 246,615.60

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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.