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Finding the Fourth Proportional to 283,594.70, 391,343.10 and 162,745.94

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Solution

The fourth proportional to 283,594.70, 391,343.10 and 162,745.94 is: 224,579.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,594.70 : 391,343.10 = 162,745.94 : x
  2. Step 2: Convert to fraction form
    283,594.70/391,343.10 = 162,745.94/x
  3. Step 3: Cross multiply
    283,594.70x = 391,343.10 × 162,745.94
  4. Step 4: Simplify right side
    283,594.70x = 63,689,501,040.07
  5. Step 5: Solve for x
    x = 63,689,501,040.07/283,594.70
  6. Step 6: Final answer
    x = 224,579.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.