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Finding the Fourth Proportional to 443,551.54, 612,100.65 and 239,602.42

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Solution

The fourth proportional to 443,551.54, 612,100.65 and 239,602.42 is: 330,651.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,551.54 : 612,100.65 = 239,602.42 : x
  2. Step 2: Convert to fraction form
    443,551.54/612,100.65 = 239,602.42/x
  3. Step 3: Cross multiply
    443,551.54x = 612,100.65 × 239,602.42
  4. Step 4: Simplify right side
    443,551.54x = 146,660,797,023.57
  5. Step 5: Solve for x
    x = 146,660,797,023.57/443,551.54
  6. Step 6: Final answer
    x = 330,651.08

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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.