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Finding the Fourth Proportional to 396,004.50, 546,262.65 and 234,701.10

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Solution

The fourth proportional to 396,004.50, 546,262.65 and 234,701.10 is: 323,755.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,004.50 : 546,262.65 = 234,701.10 : x
  2. Step 2: Convert to fraction form
    396,004.50/546,262.65 = 234,701.10/x
  3. Step 3: Cross multiply
    396,004.50x = 546,262.65 × 234,701.10
  4. Step 4: Simplify right side
    396,004.50x = 128,208,444,843.92
  5. Step 5: Solve for x
    x = 128,208,444,843.92/396,004.50
  6. Step 6: Final answer
    x = 323,755.02

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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.