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Finding the Fourth Proportional to 322,269.04, 483,403.74 and 122,543.32

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Solution

The fourth proportional to 322,269.04, 483,403.74 and 122,543.32 is: 183,815.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,269.04 : 483,403.74 = 122,543.32 : x
  2. Step 2: Convert to fraction form
    322,269.04/483,403.74 = 122,543.32/x
  3. Step 3: Cross multiply
    322,269.04x = 483,403.74 × 122,543.32
  4. Step 4: Simplify right side
    322,269.04x = 59,237,899,200.02
  5. Step 5: Solve for x
    x = 59,237,899,200.02/322,269.04
  6. Step 6: Final answer
    x = 183,815.05

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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.