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Finding the Fourth Proportional to 339,083.55, 467,932.28 and 186,117.21

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Solution

The fourth proportional to 339,083.55, 467,932.28 and 186,117.21 is: 256,840.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,083.55 : 467,932.28 = 186,117.21 : x
  2. Step 2: Convert to fraction form
    339,083.55/467,932.28 = 186,117.21/x
  3. Step 3: Cross multiply
    339,083.55x = 467,932.28 × 186,117.21
  4. Step 4: Simplify right side
    339,083.55x = 87,090,249,491.95
  5. Step 5: Solve for x
    x = 87,090,249,491.95/339,083.55
  6. Step 6: Final answer
    x = 256,840.09

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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.