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Finding the Fourth Proportional to 355,025.60, 531,663.60 and 236,052.80

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Solution

The fourth proportional to 355,025.60, 531,663.60 and 236,052.80 is: 353,497.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,025.60 : 531,663.60 = 236,052.80 : x
  2. Step 2: Convert to fraction form
    355,025.60/531,663.60 = 236,052.80/x
  3. Step 3: Cross multiply
    355,025.60x = 531,663.60 × 236,052.80
  4. Step 4: Simplify right side
    355,025.60x = 125,500,681,438.08
  5. Step 5: Solve for x
    x = 125,500,681,438.08/355,025.60
  6. Step 6: Final answer
    x = 353,497.55

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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.