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Finding the Fourth Proportional to 633,175.71, 949,777.58 and 228,400.29

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Solution

The fourth proportional to 633,175.71, 949,777.58 and 228,400.29 is: 342,605.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,175.71 : 949,777.58 = 228,400.29 : x
  2. Step 2: Convert to fraction form
    633,175.71/949,777.58 = 228,400.29/x
  3. Step 3: Cross multiply
    633,175.71x = 949,777.58 × 228,400.29
  4. Step 4: Simplify right side
    633,175.71x = 216,929,474,707.50
  5. Step 5: Solve for x
    x = 216,929,474,707.50/633,175.71
  6. Step 6: Final answer
    x = 342,605.49

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Similar ratio
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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.