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Finding the Fourth Proportional to 568,068.80, 851,066.40 and 346,193.60

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Solution

The fourth proportional to 568,068.80, 851,066.40 and 346,193.60 is: 518,658.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,068.80 : 851,066.40 = 346,193.60 : x
  2. Step 2: Convert to fraction form
    568,068.80/851,066.40 = 346,193.60/x
  3. Step 3: Cross multiply
    568,068.80x = 851,066.40 × 346,193.60
  4. Step 4: Simplify right side
    568,068.80x = 294,633,740,855.04
  5. Step 5: Solve for x
    x = 294,633,740,855.04/568,068.80
  6. Step 6: Final answer
    x = 518,658.55

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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.