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Finding the Fourth Proportional to 264,355.38, 364,810.74 and 143,496.60

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Solution

The fourth proportional to 264,355.38, 364,810.74 and 143,496.60 is: 198,025.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,355.38 : 364,810.74 = 143,496.60 : x
  2. Step 2: Convert to fraction form
    264,355.38/364,810.74 = 143,496.60/x
  3. Step 3: Cross multiply
    264,355.38x = 364,810.74 × 143,496.60
  4. Step 4: Simplify right side
    264,355.38x = 52,349,100,833.48
  5. Step 5: Solve for x
    x = 52,349,100,833.48/264,355.38
  6. Step 6: Final answer
    x = 198,025.48

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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.