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Finding the Fourth Proportional to 353,030, 486,846.12 and 232,273.76

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Solution

The fourth proportional to 353,030, 486,846.12 and 232,273.76 is: 320,317.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,030 : 486,846.12 = 232,273.76 : x
  2. Step 2: Convert to fraction form
    353,030/486,846.12 = 232,273.76/x
  3. Step 3: Cross multiply
    353,030x = 486,846.12 × 232,273.76
  4. Step 4: Simplify right side
    353,030x = 113,081,578,833.81
  5. Step 5: Solve for x
    x = 113,081,578,833.81/353,030
  6. Step 6: Final answer
    x = 320,317.19

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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.