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Finding the Fourth Proportional to 567,295.10, 850,942.65 and 520,055.90

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Solution

The fourth proportional to 567,295.10, 850,942.65 and 520,055.90 is: 780,083.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,295.10 : 850,942.65 = 520,055.90 : x
  2. Step 2: Convert to fraction form
    567,295.10/850,942.65 = 520,055.90/x
  3. Step 3: Cross multiply
    567,295.10x = 850,942.65 × 520,055.90
  4. Step 4: Simplify right side
    567,295.10x = 442,537,745,694.14
  5. Step 5: Solve for x
    x = 442,537,745,694.14/567,295.10
  6. Step 6: Final answer
    x = 780,083.85

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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.