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Finding the Fourth Proportional to 384,900.60, 577,350.90 and 227,436.60

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Solution

The fourth proportional to 384,900.60, 577,350.90 and 227,436.60 is: 341,154.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,900.60 : 577,350.90 = 227,436.60 : x
  2. Step 2: Convert to fraction form
    384,900.60/577,350.90 = 227,436.60/x
  3. Step 3: Cross multiply
    384,900.60x = 577,350.90 × 227,436.60
  4. Step 4: Simplify right side
    384,900.60x = 131,310,725,702.94
  5. Step 5: Solve for x
    x = 131,310,725,702.94/384,900.60
  6. Step 6: Final answer
    x = 341,154.90

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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.