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Finding the Fourth Proportional to 493,289.40, 739,934.10 and 335,825.40

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Solution

The fourth proportional to 493,289.40, 739,934.10 and 335,825.40 is: 503,738.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,289.40 : 739,934.10 = 335,825.40 : x
  2. Step 2: Convert to fraction form
    493,289.40/739,934.10 = 335,825.40/x
  3. Step 3: Cross multiply
    493,289.40x = 739,934.10 × 335,825.40
  4. Step 4: Simplify right side
    493,289.40x = 248,488,665,106.14
  5. Step 5: Solve for x
    x = 248,488,665,106.14/493,289.40
  6. Step 6: Final answer
    x = 503,738.10

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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.