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Finding the Fourth Proportional to 227,573.60, 341,360.40 and 156,714.80

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Solution

The fourth proportional to 227,573.60, 341,360.40 and 156,714.80 is: 235,072.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,573.60 : 341,360.40 = 156,714.80 : x
  2. Step 2: Convert to fraction form
    227,573.60/341,360.40 = 156,714.80/x
  3. Step 3: Cross multiply
    227,573.60x = 341,360.40 × 156,714.80
  4. Step 4: Simplify right side
    227,573.60x = 53,496,226,813.92
  5. Step 5: Solve for x
    x = 53,496,226,813.92/227,573.60
  6. Step 6: Final answer
    x = 235,072.20

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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.