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Finding the Fourth Proportional to 396,002.60, 594,003.90 and 186,050.60

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Solution

The fourth proportional to 396,002.60, 594,003.90 and 186,050.60 is: 279,075.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,002.60 : 594,003.90 = 186,050.60 : x
  2. Step 2: Convert to fraction form
    396,002.60/594,003.90 = 186,050.60/x
  3. Step 3: Cross multiply
    396,002.60x = 594,003.90 × 186,050.60
  4. Step 4: Simplify right side
    396,002.60x = 110,514,781,997.34
  5. Step 5: Solve for x
    x = 110,514,781,997.34/396,002.60
  6. Step 6: Final answer
    x = 279,075.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.