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Finding the Fourth Proportional to 264,505.55, 365,017.56 and 143,646.86

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Solution

The fourth proportional to 264,505.55, 365,017.56 and 143,646.86 is: 198,232.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,505.55 : 365,017.56 = 143,646.86 : x
  2. Step 2: Convert to fraction form
    264,505.55/365,017.56 = 143,646.86/x
  3. Step 3: Cross multiply
    264,505.55x = 365,017.56 × 143,646.86
  4. Step 4: Simplify right side
    264,505.55x = 52,433,627,251.41
  5. Step 5: Solve for x
    x = 52,433,627,251.41/264,505.55
  6. Step 6: Final answer
    x = 198,232.62

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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.