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Finding the Fourth Proportional to 448,502.58, 673,069.14 and 405,624.06

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Solution

The fourth proportional to 448,502.58, 673,069.14 and 405,624.06 is: 608,721.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,502.58 : 673,069.14 = 405,624.06 : x
  2. Step 2: Convert to fraction form
    448,502.58/673,069.14 = 405,624.06/x
  3. Step 3: Cross multiply
    448,502.58x = 673,069.14 × 405,624.06
  4. Step 4: Simplify right side
    448,502.58x = 273,013,037,227.51
  5. Step 5: Solve for x
    x = 273,013,037,227.51/448,502.58
  6. Step 6: Final answer
    x = 608,721.22

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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.