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Finding the Fourth Proportional to 362,900.75, 500,779.67 and 201,751.65

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Solution

The fourth proportional to 362,900.75, 500,779.67 and 201,751.65 is: 278,404.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,900.75 : 500,779.67 = 201,751.65 : x
  2. Step 2: Convert to fraction form
    362,900.75/500,779.67 = 201,751.65/x
  3. Step 3: Cross multiply
    362,900.75x = 500,779.67 × 201,751.65
  4. Step 4: Simplify right side
    362,900.75x = 101,033,123,700.20
  5. Step 5: Solve for x
    x = 101,033,123,700.20/362,900.75
  6. Step 6: Final answer
    x = 278,404.29

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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.