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Finding the Fourth Proportional to 567,079.89, 850,636.23 and 212,026.11

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Solution

The fourth proportional to 567,079.89, 850,636.23 and 212,026.11 is: 318,045.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,079.89 : 850,636.23 = 212,026.11 : x
  2. Step 2: Convert to fraction form
    567,079.89/850,636.23 = 212,026.11/x
  3. Step 3: Cross multiply
    567,079.89x = 850,636.23 × 212,026.11
  4. Step 4: Simplify right side
    567,079.89x = 180,357,090,871.97
  5. Step 5: Solve for x
    x = 180,357,090,871.97/567,079.89
  6. Step 6: Final answer
    x = 318,045.29

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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.