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Finding the Fourth Proportional to 304,211.38, 456,343.54 and 79,570.84

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Solution

The fourth proportional to 304,211.38, 456,343.54 and 79,570.84 is: 119,363.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,211.38 : 456,343.54 = 79,570.84 : x
  2. Step 2: Convert to fraction form
    304,211.38/456,343.54 = 79,570.84/x
  3. Step 3: Cross multiply
    304,211.38x = 456,343.54 × 79,570.84
  4. Step 4: Simplify right side
    304,211.38x = 36,311,638,806.37
  5. Step 5: Solve for x
    x = 36,311,638,806.37/304,211.38
  6. Step 6: Final answer
    x = 119,363.18

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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.