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Finding the Fourth Proportional to 404,866.15, 606,816.06 and 188,433.64

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Solution

The fourth proportional to 404,866.15, 606,816.06 and 188,433.64 is: 282,425.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,866.15 : 606,816.06 = 188,433.64 : x
  2. Step 2: Convert to fraction form
    404,866.15/606,816.06 = 188,433.64/x
  3. Step 3: Cross multiply
    404,866.15x = 606,816.06 × 188,433.64
  4. Step 4: Simplify right side
    404,866.15x = 114,344,559,048.15
  5. Step 5: Solve for x
    x = 114,344,559,048.15/404,866.15
  6. Step 6: Final answer
    x = 282,425.59

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1.5x scale

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.