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Finding the Fourth Proportional to 883,341.80, 1,325,109.90 and 322,497.80

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Solution

The fourth proportional to 883,341.80, 1,325,109.90 and 322,497.80 is: 483,782.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,341.80 : 1,325,109.90 = 322,497.80 : x
  2. Step 2: Convert to fraction form
    883,341.80/1,325,109.90 = 322,497.80/x
  3. Step 3: Cross multiply
    883,341.80x = 1,325,109.90 × 322,497.80
  4. Step 4: Simplify right side
    883,341.80x = 427,345,027,508.22
  5. Step 5: Solve for x
    x = 427,345,027,508.22/883,341.80
  6. Step 6: Final answer
    x = 483,782.19

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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.