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Finding the Fourth Proportional to 304,526.91, 456,632.98 and 133,678.70

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Solution

The fourth proportional to 304,526.91, 456,632.98 and 133,678.70 is: 200,448.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,526.91 : 456,632.98 = 133,678.70 : x
  2. Step 2: Convert to fraction form
    304,526.91/456,632.98 = 133,678.70/x
  3. Step 3: Cross multiply
    304,526.91x = 456,632.98 × 133,678.70
  4. Step 4: Simplify right side
    304,526.91x = 61,042,102,238.54
  5. Step 5: Solve for x
    x = 61,042,102,238.54/304,526.91
  6. Step 6: Final answer
    x = 200,448.96

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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.