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Finding the Fourth Proportional to 304,686.96, 420,447.96 and 170,525.04

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Solution

The fourth proportional to 304,686.96, 420,447.96 and 170,525.04 is: 235,313.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,686.96 : 420,447.96 = 170,525.04 : x
  2. Step 2: Convert to fraction form
    304,686.96/420,447.96 = 170,525.04/x
  3. Step 3: Cross multiply
    304,686.96x = 420,447.96 × 170,525.04
  4. Step 4: Simplify right side
    304,686.96x = 71,696,905,196.92
  5. Step 5: Solve for x
    x = 71,696,905,196.92/304,686.96
  6. Step 6: Final answer
    x = 235,313.34

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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.