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Finding the Fourth Proportional to 339,833.80, 469,000.53 and 186,898.94

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Solution

The fourth proportional to 339,833.80, 469,000.53 and 186,898.94 is: 257,936.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,833.80 : 469,000.53 = 186,898.94 : x
  2. Step 2: Convert to fraction form
    339,833.80/469,000.53 = 186,898.94/x
  3. Step 3: Cross multiply
    339,833.80x = 469,000.53 × 186,898.94
  4. Step 4: Simplify right side
    339,833.80x = 87,655,698,636.94
  5. Step 5: Solve for x
    x = 87,655,698,636.94/339,833.80
  6. Step 6: Final answer
    x = 257,936.97

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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.