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Finding the Fourth Proportional to 313,893.60, 432,404.25 and 227,599.02

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Solution

The fourth proportional to 313,893.60, 432,404.25 and 227,599.02 is: 313,529.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,893.60 : 432,404.25 = 227,599.02 : x
  2. Step 2: Convert to fraction form
    313,893.60/432,404.25 = 227,599.02/x
  3. Step 3: Cross multiply
    313,893.60x = 432,404.25 × 227,599.02
  4. Step 4: Simplify right side
    313,893.60x = 98,414,783,543.84
  5. Step 5: Solve for x
    x = 98,414,783,543.84/313,893.60
  6. Step 6: Final answer
    x = 313,529.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.