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Finding the Fourth Proportional to 339,885.66, 469,032.09 and 186,923.64

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Solution

The fourth proportional to 339,885.66, 469,032.09 and 186,923.64 is: 257,949.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,885.66 : 469,032.09 = 186,923.64 : x
  2. Step 2: Convert to fraction form
    339,885.66/469,032.09 = 186,923.64/x
  3. Step 3: Cross multiply
    339,885.66x = 469,032.09 × 186,923.64
  4. Step 4: Simplify right side
    339,885.66x = 87,673,185,539.61
  5. Step 5: Solve for x
    x = 87,673,185,539.61/339,885.66
  6. Step 6: Final answer
    x = 257,949.06

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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.