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Finding the Fourth Proportional to 405,999.04, 609,060.05 and 294,520.46

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Solution

The fourth proportional to 405,999.04, 609,060.05 and 294,520.46 is: 441,825.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,999.04 : 609,060.05 = 294,520.46 : x
  2. Step 2: Convert to fraction form
    405,999.04/609,060.05 = 294,520.46/x
  3. Step 3: Cross multiply
    405,999.04x = 609,060.05 × 294,520.46
  4. Step 4: Simplify right side
    405,999.04x = 179,380,646,093.62
  5. Step 5: Solve for x
    x = 179,380,646,093.62/405,999.04
  6. Step 6: Final answer
    x = 441,825.30

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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.