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Finding the Fourth Proportional to 567,865, 851,941.50 and 212,880.04

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Solution

The fourth proportional to 567,865, 851,941.50 and 212,880.04 is: 319,374.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,865 : 851,941.50 = 212,880.04 : x
  2. Step 2: Convert to fraction form
    567,865/851,941.50 = 212,880.04/x
  3. Step 3: Cross multiply
    567,865x = 851,941.50 × 212,880.04
  4. Step 4: Simplify right side
    567,865x = 181,361,340,597.66
  5. Step 5: Solve for x
    x = 181,361,340,597.66/567,865
  6. Step 6: Final answer
    x = 319,374.04

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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.