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Finding the Fourth Proportional to 570,060.70, 854,556.45 and 215,313.10

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Solution

The fourth proportional to 570,060.70, 854,556.45 and 215,313.10 is: 322,767.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,060.70 : 854,556.45 = 215,313.10 : x
  2. Step 2: Convert to fraction form
    570,060.70/854,556.45 = 215,313.10/x
  3. Step 3: Cross multiply
    570,060.70x = 854,556.45 × 215,313.10
  4. Step 4: Simplify right side
    570,060.70x = 183,997,198,374.50
  5. Step 5: Solve for x
    x = 183,997,198,374.50/570,060.70
  6. Step 6: Final answer
    x = 322,767.73

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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.