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Finding the Fourth Proportional to 309,329.80, 463,997.44 and 122,341.32

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Solution

The fourth proportional to 309,329.80, 463,997.44 and 122,341.32 is: 183,513.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,329.80 : 463,997.44 = 122,341.32 : x
  2. Step 2: Convert to fraction form
    309,329.80/463,997.44 = 122,341.32/x
  3. Step 3: Cross multiply
    309,329.80x = 463,997.44 × 122,341.32
  4. Step 4: Simplify right side
    309,329.80x = 56,766,059,286.22
  5. Step 5: Solve for x
    x = 56,766,059,286.22/309,329.80
  6. Step 6: Final answer
    x = 183,513.06

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1.5x scale

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.