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Finding the Fourth Proportional to 311,900.60, 466,976.10 and 303,152.60

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Solution

The fourth proportional to 311,900.60, 466,976.10 and 303,152.60 is: 453,878.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,900.60 : 466,976.10 = 303,152.60 : x
  2. Step 2: Convert to fraction form
    311,900.60/466,976.10 = 303,152.60/x
  3. Step 3: Cross multiply
    311,900.60x = 466,976.10 × 303,152.60
  4. Step 4: Simplify right side
    311,900.60x = 141,565,018,852.86
  5. Step 5: Solve for x
    x = 141,565,018,852.86/311,900.60
  6. Step 6: Final answer
    x = 453,878.64

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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.