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Finding the Fourth Proportional to 446,761.63, 670,225.47 and 147,263.19

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Solution

The fourth proportional to 446,761.63, 670,225.47 and 147,263.19 is: 220,922.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,761.63 : 670,225.47 = 147,263.19 : x
  2. Step 2: Convert to fraction form
    446,761.63/670,225.47 = 147,263.19/x
  3. Step 3: Cross multiply
    446,761.63x = 670,225.47 × 147,263.19
  4. Step 4: Simplify right side
    446,761.63x = 98,699,540,731.45
  5. Step 5: Solve for x
    x = 98,699,540,731.45/446,761.63
  6. Step 6: Final answer
    x = 220,922.15

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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.