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Finding the Fourth Proportional to 365,945.81, 505,234.44 and 235,176.51

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Solution

The fourth proportional to 365,945.81, 505,234.44 and 235,176.51 is: 324,690.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,945.81 : 505,234.44 = 235,176.51 : x
  2. Step 2: Convert to fraction form
    365,945.81/505,234.44 = 235,176.51/x
  3. Step 3: Cross multiply
    365,945.81x = 505,234.44 × 235,176.51
  4. Step 4: Simplify right side
    365,945.81x = 118,819,272,331.00
  5. Step 5: Solve for x
    x = 118,819,272,331.00/365,945.81
  6. Step 6: Final answer
    x = 324,690.90

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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.