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Finding the Fourth Proportional to 567,337.95, 851,265.26 and 212,379.64

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Solution

The fourth proportional to 567,337.95, 851,265.26 and 212,379.64 is: 318,666.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,337.95 : 851,265.26 = 212,379.64 : x
  2. Step 2: Convert to fraction form
    567,337.95/851,265.26 = 212,379.64/x
  3. Step 3: Cross multiply
    567,337.95x = 851,265.26 × 212,379.64
  4. Step 4: Simplify right side
    567,337.95x = 180,791,409,463.31
  5. Step 5: Solve for x
    x = 180,791,409,463.31/567,337.95
  6. Step 6: Final answer
    x = 318,666.17

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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.