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Finding the Fourth Proportional to 568,064.80, 851,060.40 and 346,189.60

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Solution

The fourth proportional to 568,064.80, 851,060.40 and 346,189.60 is: 518,652.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,064.80 : 851,060.40 = 346,189.60 : x
  2. Step 2: Convert to fraction form
    568,064.80/851,060.40 = 346,189.60/x
  3. Step 3: Cross multiply
    568,064.80x = 851,060.40 × 346,189.60
  4. Step 4: Simplify right side
    568,064.80x = 294,628,259,451.84
  5. Step 5: Solve for x
    x = 294,628,259,451.84/568,064.80
  6. Step 6: Final answer
    x = 518,652.55

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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.