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Finding the Fourth Proportional to 289,348.99, 399,297.23 and 162,029.14

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Solution

The fourth proportional to 289,348.99, 399,297.23 and 162,029.14 is: 223,597.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,348.99 : 399,297.23 = 162,029.14 : x
  2. Step 2: Convert to fraction form
    289,348.99/399,297.23 = 162,029.14/x
  3. Step 3: Cross multiply
    289,348.99x = 399,297.23 × 162,029.14
  4. Step 4: Simplify right side
    289,348.99x = 64,697,785,580.50
  5. Step 5: Solve for x
    x = 64,697,785,580.50/289,348.99
  6. Step 6: Final answer
    x = 223,597.76

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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.