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Finding the Fourth Proportional to 458,628.58, 632,913.18 and 254,692.19

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Solution

The fourth proportional to 458,628.58, 632,913.18 and 254,692.19 is: 351,478.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,628.58 : 632,913.18 = 254,692.19 : x
  2. Step 2: Convert to fraction form
    458,628.58/632,913.18 = 254,692.19/x
  3. Step 3: Cross multiply
    458,628.58x = 632,913.18 × 254,692.19
  4. Step 4: Simplify right side
    458,628.58x = 161,198,042,620.60
  5. Step 5: Solve for x
    x = 161,198,042,620.60/458,628.58
  6. Step 6: Final answer
    x = 351,478.41

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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.