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Finding the Fourth Proportional to 567,857.60, 851,479.20 and 235,467.20

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Solution

The fourth proportional to 567,857.60, 851,479.20 and 235,467.20 is: 353,073.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,857.60 : 851,479.20 = 235,467.20 : x
  2. Step 2: Convert to fraction form
    567,857.60/851,479.20 = 235,467.20/x
  3. Step 3: Cross multiply
    567,857.60x = 851,479.20 × 235,467.20
  4. Step 4: Simplify right side
    567,857.60x = 200,495,423,082.24
  5. Step 5: Solve for x
    x = 200,495,423,082.24/567,857.60
  6. Step 6: Final answer
    x = 353,073.42

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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.