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Finding the Fourth Proportional to 362,437.81, 500,147.98 and 217,323.69

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Solution

The fourth proportional to 362,437.81, 500,147.98 and 217,323.69 is: 299,896.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,437.81 : 500,147.98 = 217,323.69 : x
  2. Step 2: Convert to fraction form
    362,437.81/500,147.98 = 217,323.69/x
  3. Step 3: Cross multiply
    362,437.81x = 500,147.98 × 217,323.69
  4. Step 4: Simplify right side
    362,437.81x = 108,694,004,559.65
  5. Step 5: Solve for x
    x = 108,694,004,559.65/362,437.81
  6. Step 6: Final answer
    x = 299,896.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.