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Finding the Fourth Proportional to 567,920.20, 851,156.70 and 301,808.20

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Solution

The fourth proportional to 567,920.20, 851,156.70 and 301,808.20 is: 452,327.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,920.20 : 851,156.70 = 301,808.20 : x
  2. Step 2: Convert to fraction form
    567,920.20/851,156.70 = 301,808.20/x
  3. Step 3: Cross multiply
    567,920.20x = 851,156.70 × 301,808.20
  4. Step 4: Simplify right side
    567,920.20x = 256,886,071,544.94
  5. Step 5: Solve for x
    x = 256,886,071,544.94/567,920.20
  6. Step 6: Final answer
    x = 452,327.76

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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.