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Finding the Fourth Proportional to 633,145.64, 949,730.62 and 233,580.76

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Solution

The fourth proportional to 633,145.64, 949,730.62 and 233,580.76 is: 350,375.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,145.64 : 949,730.62 = 233,580.76 : x
  2. Step 2: Convert to fraction form
    633,145.64/949,730.62 = 233,580.76/x
  3. Step 3: Cross multiply
    633,145.64x = 949,730.62 × 233,580.76
  4. Step 4: Simplify right side
    633,145.64x = 221,838,800,014.87
  5. Step 5: Solve for x
    x = 221,838,800,014.87/633,145.64
  6. Step 6: Final answer
    x = 350,375.63

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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.