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Finding the Fourth Proportional to 633,367.20, 949,244.40 and 258,967.20

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Solution

The fourth proportional to 633,367.20, 949,244.40 and 258,967.20 is: 388,121.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,367.20 : 949,244.40 = 258,967.20 : x
  2. Step 2: Convert to fraction form
    633,367.20/949,244.40 = 258,967.20/x
  3. Step 3: Cross multiply
    633,367.20x = 949,244.40 × 258,967.20
  4. Step 4: Simplify right side
    633,367.20x = 245,823,164,383.68
  5. Step 5: Solve for x
    x = 245,823,164,383.68/633,367.20
  6. Step 6: Final answer
    x = 388,121.08

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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.