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Finding the Fourth Proportional to 395,191.01, 592,785.61 and 305,364.34

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Solution

The fourth proportional to 395,191.01, 592,785.61 and 305,364.34 is: 458,045.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,191.01 : 592,785.61 = 305,364.34 : x
  2. Step 2: Convert to fraction form
    395,191.01/592,785.61 = 305,364.34/x
  3. Step 3: Cross multiply
    395,191.01x = 592,785.61 × 305,364.34
  4. Step 4: Simplify right side
    395,191.01x = 181,015,586,559.15
  5. Step 5: Solve for x
    x = 181,015,586,559.15/395,191.01
  6. Step 6: Final answer
    x = 458,045.81

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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.