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Finding the Fourth Proportional to 354,656.60, 531,110.10 and 235,683.80

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Solution

The fourth proportional to 354,656.60, 531,110.10 and 235,683.80 is: 352,944.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,656.60 : 531,110.10 = 235,683.80 : x
  2. Step 2: Convert to fraction form
    354,656.60/531,110.10 = 235,683.80/x
  3. Step 3: Cross multiply
    354,656.60x = 531,110.10 × 235,683.80
  4. Step 4: Simplify right side
    354,656.60x = 125,174,046,586.38
  5. Step 5: Solve for x
    x = 125,174,046,586.38/354,656.60
  6. Step 6: Final answer
    x = 352,944.36

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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.