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Finding the Fourth Proportional to 446,650.96, 670,020.18 and 147,009.28

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Solution

The fourth proportional to 446,650.96, 670,020.18 and 147,009.28 is: 220,528.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,650.96 : 670,020.18 = 147,009.28 : x
  2. Step 2: Convert to fraction form
    446,650.96/670,020.18 = 147,009.28/x
  3. Step 3: Cross multiply
    446,650.96x = 670,020.18 × 147,009.28
  4. Step 4: Simplify right side
    446,650.96x = 98,499,184,247.27
  5. Step 5: Solve for x
    x = 98,499,184,247.27/446,650.96
  6. Step 6: Final answer
    x = 220,528.32

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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.