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Finding the Fourth Proportional to 404,690.04, 558,480.42 and 223,401.24

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Solution

The fourth proportional to 404,690.04, 558,480.42 and 223,401.24 is: 308,298.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,690.04 : 558,480.42 = 223,401.24 : x
  2. Step 2: Convert to fraction form
    404,690.04/558,480.42 = 223,401.24/x
  3. Step 3: Cross multiply
    404,690.04x = 558,480.42 × 223,401.24
  4. Step 4: Simplify right side
    404,690.04x = 124,765,218,343.72
  5. Step 5: Solve for x
    x = 124,765,218,343.72/404,690.04
  6. Step 6: Final answer
    x = 308,298.22

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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.