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Finding the Fourth Proportional to 440,611.52, 608,045.48 and 239,407.52

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Solution

The fourth proportional to 440,611.52, 608,045.48 and 239,407.52 is: 330,383.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,611.52 : 608,045.48 = 239,407.52 : x
  2. Step 2: Convert to fraction form
    440,611.52/608,045.48 = 239,407.52/x
  3. Step 3: Cross multiply
    440,611.52x = 608,045.48 × 239,407.52
  4. Step 4: Simplify right side
    440,611.52x = 145,570,660,414.01
  5. Step 5: Solve for x
    x = 145,570,660,414.01/440,611.52
  6. Step 6: Final answer
    x = 330,383.24

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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.