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Finding the Fourth Proportional to 339,451, 509,176.52 and 117,835

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Solution

The fourth proportional to 339,451, 509,176.52 and 117,835 is: 176,752.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,451 : 509,176.52 = 117,835 : x
  2. Step 2: Convert to fraction form
    339,451/509,176.52 = 117,835/x
  3. Step 3: Cross multiply
    339,451x = 509,176.52 × 117,835
  4. Step 4: Simplify right side
    339,451x = 59,998,815,234.20
  5. Step 5: Solve for x
    x = 59,998,815,234.20/339,451
  6. Step 6: Final answer
    x = 176,752.51

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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.