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Finding the Fourth Proportional to 264,358.85, 364,805.28 and 143,497.53

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Solution

The fourth proportional to 264,358.85, 364,805.28 and 143,497.53 is: 198,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,358.85 : 364,805.28 = 143,497.53 : x
  2. Step 2: Convert to fraction form
    264,358.85/364,805.28 = 143,497.53/x
  3. Step 3: Cross multiply
    264,358.85x = 364,805.28 × 143,497.53
  4. Step 4: Simplify right side
    264,358.85x = 52,348,656,610.96
  5. Step 5: Solve for x
    x = 52,348,656,610.96/264,358.85
  6. Step 6: Final answer
    x = 198,021.20

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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.