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Finding the Fourth Proportional to 239,449.02, 358,930.98 and 155,262.58

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Solution

The fourth proportional to 239,449.02, 358,930.98 and 155,262.58 is: 232,736.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,449.02 : 358,930.98 = 155,262.58 : x
  2. Step 2: Convert to fraction form
    239,449.02/358,930.98 = 155,262.58/x
  3. Step 3: Cross multiply
    239,449.02x = 358,930.98 × 155,262.58
  4. Step 4: Simplify right side
    239,449.02x = 55,728,549,996.73
  5. Step 5: Solve for x
    x = 55,728,549,996.73/239,449.02
  6. Step 6: Final answer
    x = 232,736.60

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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.