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Finding the Fourth Proportional to 404,712.06, 558,503.46 and 223,424.24

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Solution

The fourth proportional to 404,712.06, 558,503.46 and 223,424.24 is: 308,325.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,712.06 : 558,503.46 = 223,424.24 : x
  2. Step 2: Convert to fraction form
    404,712.06/558,503.46 = 223,424.24/x
  3. Step 3: Cross multiply
    404,712.06x = 558,503.46 × 223,424.24
  4. Step 4: Simplify right side
    404,712.06x = 124,783,208,295.35
  5. Step 5: Solve for x
    x = 124,783,208,295.35/404,712.06
  6. Step 6: Final answer
    x = 308,325.90

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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.