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Finding the Fourth Proportional to 567,496.17, 851,368.80 and 168,168.20

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Solution

The fourth proportional to 567,496.17, 851,368.80 and 168,168.20 is: 252,289.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,496.17 : 851,368.80 = 168,168.20 : x
  2. Step 2: Convert to fraction form
    567,496.17/851,368.80 = 168,168.20/x
  3. Step 3: Cross multiply
    567,496.17x = 851,368.80 × 168,168.20
  4. Step 4: Simplify right side
    567,496.17x = 143,173,154,375.32
  5. Step 5: Solve for x
    x = 143,173,154,375.32/567,496.17
  6. Step 6: Final answer
    x = 252,289.20

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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.