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Finding the Fourth Proportional to 395,673.37, 546,056.04 and 223,531.63

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Solution

The fourth proportional to 395,673.37, 546,056.04 and 223,531.63 is: 308,488.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,673.37 : 546,056.04 = 223,531.63 : x
  2. Step 2: Convert to fraction form
    395,673.37/546,056.04 = 223,531.63/x
  3. Step 3: Cross multiply
    395,673.37x = 546,056.04 × 223,531.63
  4. Step 4: Simplify right side
    395,673.37x = 122,060,796,692.55
  5. Step 5: Solve for x
    x = 122,060,796,692.55/395,673.37
  6. Step 6: Final answer
    x = 308,488.78

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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.