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Finding the Fourth Proportional to 1,903,581, 2,855,449.26 and 483,673.68

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Solution

The fourth proportional to 1,903,581, 2,855,449.26 and 483,673.68 is: 725,530.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903,581 : 2,855,449.26 = 483,673.68 : x
  2. Step 2: Convert to fraction form
    1,903,581/2,855,449.26 = 483,673.68/x
  3. Step 3: Cross multiply
    1,903,581x = 2,855,449.26 × 483,673.68
  4. Step 4: Simplify right side
    1,903,581x = 1,381,105,651,637.48
  5. Step 5: Solve for x
    x = 1,381,105,651,637.48/1,903,581
  6. Step 6: Final answer
    x = 725,530.28

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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.