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Finding the Fourth Proportional to 339,305.47, 468,220.85 and 186,313.89

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Solution

The fourth proportional to 339,305.47, 468,220.85 and 186,313.89 is: 257,101.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,305.47 : 468,220.85 = 186,313.89 : x
  2. Step 2: Convert to fraction form
    339,305.47/468,220.85 = 186,313.89/x
  3. Step 3: Cross multiply
    339,305.47x = 468,220.85 × 186,313.89
  4. Step 4: Simplify right side
    339,305.47x = 87,236,044,669.93
  5. Step 5: Solve for x
    x = 87,236,044,669.93/339,305.47
  6. Step 6: Final answer
    x = 257,101.79

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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.