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Finding the Fourth Proportional to 448,552.99, 672,896.69 and 144,845.67

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Solution

The fourth proportional to 448,552.99, 672,896.69 and 144,845.67 is: 217,290.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,552.99 : 672,896.69 = 144,845.67 : x
  2. Step 2: Convert to fraction form
    448,552.99/672,896.69 = 144,845.67/x
  3. Step 3: Cross multiply
    448,552.99x = 672,896.69 × 144,845.67
  4. Step 4: Simplify right side
    448,552.99x = 97,466,169,471.00
  5. Step 5: Solve for x
    x = 97,466,169,471.00/448,552.99
  6. Step 6: Final answer
    x = 217,290.20

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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.