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Finding the Fourth Proportional to 567,501.73, 851,270.42 and 212,447.95

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Solution

The fourth proportional to 567,501.73, 851,270.42 and 212,447.95 is: 318,678.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,501.73 : 851,270.42 = 212,447.95 : x
  2. Step 2: Convert to fraction form
    567,501.73/851,270.42 = 212,447.95/x
  3. Step 3: Cross multiply
    567,501.73x = 851,270.42 × 212,447.95
  4. Step 4: Simplify right side
    567,501.73x = 180,850,655,624.64
  5. Step 5: Solve for x
    x = 180,850,655,624.64/567,501.73
  6. Step 6: Final answer
    x = 318,678.60

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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.