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Finding the Fourth Proportional to 567,471.48, 851,225.04 and 212,417.70

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Solution

The fourth proportional to 567,471.48, 851,225.04 and 212,417.70 is: 318,633.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,471.48 : 851,225.04 = 212,417.70 : x
  2. Step 2: Convert to fraction form
    567,471.48/851,225.04 = 212,417.70/x
  3. Step 3: Cross multiply
    567,471.48x = 851,225.04 × 212,417.70
  4. Step 4: Simplify right side
    567,471.48x = 180,815,265,179.21
  5. Step 5: Solve for x
    x = 180,815,265,179.21/567,471.48
  6. Step 6: Final answer
    x = 318,633.22

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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.