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Finding the Fourth Proportional to 633,620.40, 949,105.80 and 296,948.40

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Solution

The fourth proportional to 633,620.40, 949,105.80 and 296,948.40 is: 444,801.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,620.40 : 949,105.80 = 296,948.40 : x
  2. Step 2: Convert to fraction form
    633,620.40/949,105.80 = 296,948.40/x
  3. Step 3: Cross multiply
    633,620.40x = 949,105.80 × 296,948.40
  4. Step 4: Simplify right side
    633,620.40x = 281,835,448,740.72
  5. Step 5: Solve for x
    x = 281,835,448,740.72/633,620.40
  6. Step 6: Final answer
    x = 444,801.73

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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.