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Finding the Fourth Proportional to 404,803.80, 606,039.30 and 362,813.40

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Solution

The fourth proportional to 404,803.80, 606,039.30 and 362,813.40 is: 543,174.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,803.80 : 606,039.30 = 362,813.40 : x
  2. Step 2: Convert to fraction form
    404,803.80/606,039.30 = 362,813.40/x
  3. Step 3: Cross multiply
    404,803.80x = 606,039.30 × 362,813.40
  4. Step 4: Simplify right side
    404,803.80x = 219,879,178,966.62
  5. Step 5: Solve for x
    x = 219,879,178,966.62/404,803.80
  6. Step 6: Final answer
    x = 543,174.69

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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.