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Finding the Fourth Proportional to 448,610.81, 672,983.51 and 144,903.51

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Solution

The fourth proportional to 448,610.81, 672,983.51 and 144,903.51 is: 217,377.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,610.81 : 672,983.51 = 144,903.51 : x
  2. Step 2: Convert to fraction form
    448,610.81/672,983.51 = 144,903.51/x
  3. Step 3: Cross multiply
    448,610.81x = 672,983.51 × 144,903.51
  4. Step 4: Simplify right side
    448,610.81x = 97,517,672,046.60
  5. Step 5: Solve for x
    x = 97,517,672,046.60/448,610.81
  6. Step 6: Final answer
    x = 217,377.00

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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.