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Finding the Fourth Proportional to 404,490.66, 558,193.32 and 223,204.16

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Solution

The fourth proportional to 404,490.66, 558,193.32 and 223,204.16 is: 308,019.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,490.66 : 558,193.32 = 223,204.16 : x
  2. Step 2: Convert to fraction form
    404,490.66/558,193.32 = 223,204.16/x
  3. Step 3: Cross multiply
    404,490.66x = 558,193.32 × 223,204.16
  4. Step 4: Simplify right side
    404,490.66x = 124,591,068,317.25
  5. Step 5: Solve for x
    x = 124,591,068,317.25/404,490.66
  6. Step 6: Final answer
    x = 308,019.64

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1.5x scale

Why These Related Problems?

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