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Finding the Fourth Proportional to 885,507.04, 1,221,998.16 and 483,099.04

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Solution

The fourth proportional to 885,507.04, 1,221,998.16 and 483,099.04 is: 666,675.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,507.04 : 1,221,998.16 = 483,099.04 : x
  2. Step 2: Convert to fraction form
    885,507.04/1,221,998.16 = 483,099.04/x
  3. Step 3: Cross multiply
    885,507.04x = 1,221,998.16 × 483,099.04
  4. Step 4: Simplify right side
    885,507.04x = 590,346,137,977.77
  5. Step 5: Solve for x
    x = 590,346,137,977.77/885,507.04
  6. Step 6: Final answer
    x = 666,675.83

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.