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Finding the Fourth Proportional to 324,346.80, 487,103.40 and 235,700.40

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Solution

The fourth proportional to 324,346.80, 487,103.40 and 235,700.40 is: 353,974.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,346.80 : 487,103.40 = 235,700.40 : x
  2. Step 2: Convert to fraction form
    324,346.80/487,103.40 = 235,700.40/x
  3. Step 3: Cross multiply
    324,346.80x = 487,103.40 × 235,700.40
  4. Step 4: Simplify right side
    324,346.80x = 114,810,466,221.36
  5. Step 5: Solve for x
    x = 114,810,466,221.36/324,346.80
  6. Step 6: Final answer
    x = 353,974.41

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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.