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Finding the Fourth Proportional to 569,665.28, 854,556.48 and 214,977.92

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Solution

The fourth proportional to 569,665.28, 854,556.48 and 214,977.92 is: 322,488.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,665.28 : 854,556.48 = 214,977.92 : x
  2. Step 2: Convert to fraction form
    569,665.28/854,556.48 = 214,977.92/x
  3. Step 3: Cross multiply
    569,665.28x = 854,556.48 × 214,977.92
  4. Step 4: Simplify right side
    569,665.28x = 183,710,774,592.92
  5. Step 5: Solve for x
    x = 183,710,774,592.92/569,665.28
  6. Step 6: Final answer
    x = 322,488.98

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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.