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Finding the Fourth Proportional to 569,721.70, 854,047.95 and 214,974.10

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Solution

The fourth proportional to 569,721.70, 854,047.95 and 214,974.10 is: 322,259.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,721.70 : 854,047.95 = 214,974.10 : x
  2. Step 2: Convert to fraction form
    569,721.70/854,047.95 = 214,974.10/x
  3. Step 3: Cross multiply
    569,721.70x = 854,047.95 × 214,974.10
  4. Step 4: Simplify right side
    569,721.70x = 183,598,189,408.10
  5. Step 5: Solve for x
    x = 183,598,189,408.10/569,721.70
  6. Step 6: Final answer
    x = 322,259.43

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1.5x scale

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.