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Finding the Fourth Proportional to 452,548.55, 679,109.19 and 252,999.84

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Solution

The fourth proportional to 452,548.55, 679,109.19 and 252,999.84 is: 379,659.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,548.55 : 679,109.19 = 252,999.84 : x
  2. Step 2: Convert to fraction form
    452,548.55/679,109.19 = 252,999.84/x
  3. Step 3: Cross multiply
    452,548.55x = 679,109.19 × 252,999.84
  4. Step 4: Simplify right side
    452,548.55x = 171,814,514,902.01
  5. Step 5: Solve for x
    x = 171,814,514,902.01/452,548.55
  6. Step 6: Final answer
    x = 379,659.85

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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.