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Finding the Fourth Proportional to 589,624.80, 884,437.20 and 274,696.80

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Solution

The fourth proportional to 589,624.80, 884,437.20 and 274,696.80 is: 412,045.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,624.80 : 884,437.20 = 274,696.80 : x
  2. Step 2: Convert to fraction form
    589,624.80/884,437.20 = 274,696.80/x
  3. Step 3: Cross multiply
    589,624.80x = 884,437.20 × 274,696.80
  4. Step 4: Simplify right side
    589,624.80x = 242,952,068,640.96
  5. Step 5: Solve for x
    x = 242,952,068,640.96/589,624.80
  6. Step 6: Final answer
    x = 412,045.20

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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.