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Finding the Fourth Proportional to 567,619.44, 850,465.67 and 342,506.88

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Solution

The fourth proportional to 567,619.44, 850,465.67 and 342,506.88 is: 513,178.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,619.44 : 850,465.67 = 342,506.88 : x
  2. Step 2: Convert to fraction form
    567,619.44/850,465.67 = 342,506.88/x
  3. Step 3: Cross multiply
    567,619.44x = 850,465.67 × 342,506.88
  4. Step 4: Simplify right side
    567,619.44x = 291,290,337,213.95
  5. Step 5: Solve for x
    x = 291,290,337,213.95/567,619.44
  6. Step 6: Final answer
    x = 513,178.93

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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.