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Finding the Fourth Proportional to 304,632.22, 420,405.61 and 168,666.17

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Solution

The fourth proportional to 304,632.22, 420,405.61 and 168,666.17 is: 232,766.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,632.22 : 420,405.61 = 168,666.17 : x
  2. Step 2: Convert to fraction form
    304,632.22/420,405.61 = 168,666.17/x
  3. Step 3: Cross multiply
    304,632.22x = 420,405.61 × 168,666.17
  4. Step 4: Simplify right side
    304,632.22x = 70,908,204,713.38
  5. Step 5: Solve for x
    x = 70,908,204,713.38/304,632.22
  6. Step 6: Final answer
    x = 232,766.59

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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.