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Finding the Fourth Proportional to 568,041.42, 851,414.23 and 354,907.34

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Solution

The fourth proportional to 568,041.42, 851,414.23 and 354,907.34 is: 531,956.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,041.42 : 851,414.23 = 354,907.34 : x
  2. Step 2: Convert to fraction form
    568,041.42/851,414.23 = 354,907.34/x
  3. Step 3: Cross multiply
    568,041.42x = 851,414.23 × 354,907.34
  4. Step 4: Simplify right side
    568,041.42x = 302,173,159,607.45
  5. Step 5: Solve for x
    x = 302,173,159,607.45/568,041.42
  6. Step 6: Final answer
    x = 531,956.21

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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.