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Finding the Fourth Proportional to 236,482.40, 354,723.60 and 214,709.60

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Solution

The fourth proportional to 236,482.40, 354,723.60 and 214,709.60 is: 322,064.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,482.40 : 354,723.60 = 214,709.60 : x
  2. Step 2: Convert to fraction form
    236,482.40/354,723.60 = 214,709.60/x
  3. Step 3: Cross multiply
    236,482.40x = 354,723.60 × 214,709.60
  4. Step 4: Simplify right side
    236,482.40x = 76,162,562,266.56
  5. Step 5: Solve for x
    x = 76,162,562,266.56/236,482.40
  6. Step 6: Final answer
    x = 322,064.40

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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.