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Finding the Fourth Proportional to 671,698.14, 926,930.10 and 365,778.15

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Solution

The fourth proportional to 671,698.14, 926,930.10 and 365,778.15 is: 504,766.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,698.14 : 926,930.10 = 365,778.15 : x
  2. Step 2: Convert to fraction form
    671,698.14/926,930.10 = 365,778.15/x
  3. Step 3: Cross multiply
    671,698.14x = 926,930.10 × 365,778.15
  4. Step 4: Simplify right side
    671,698.14x = 339,050,777,157.32
  5. Step 5: Solve for x
    x = 339,050,777,157.32/671,698.14
  6. Step 6: Final answer
    x = 504,766.59

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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.