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Finding the Fourth Proportional to 365,960.55, 505,025.48 and 204,815.59

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Solution

The fourth proportional to 365,960.55, 505,025.48 and 204,815.59 is: 282,645.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,960.55 : 505,025.48 = 204,815.59 : x
  2. Step 2: Convert to fraction form
    365,960.55/505,025.48 = 204,815.59/x
  3. Step 3: Cross multiply
    365,960.55x = 505,025.48 × 204,815.59
  4. Step 4: Simplify right side
    365,960.55x = 103,437,090,900.71
  5. Step 5: Solve for x
    x = 103,437,090,900.71/365,960.55
  6. Step 6: Final answer
    x = 282,645.47

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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.