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Finding the Fourth Proportional to 568,020.80, 850,994.40 and 346,145.60

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Solution

The fourth proportional to 568,020.80, 850,994.40 and 346,145.60 is: 518,586.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,020.80 : 850,994.40 = 346,145.60 : x
  2. Step 2: Convert to fraction form
    568,020.80/850,994.40 = 346,145.60/x
  3. Step 3: Cross multiply
    568,020.80x = 850,994.40 × 346,145.60
  4. Step 4: Simplify right side
    568,020.80x = 294,567,967,184.64
  5. Step 5: Solve for x
    x = 294,567,967,184.64/568,020.80
  6. Step 6: Final answer
    x = 518,586.59

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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.