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Finding the Fourth Proportional to 615,964.60, 923,786.52 and 260,795.80

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Solution

The fourth proportional to 615,964.60, 923,786.52 and 260,795.80 is: 391,125.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,964.60 : 923,786.52 = 260,795.80 : x
  2. Step 2: Convert to fraction form
    615,964.60/923,786.52 = 260,795.80/x
  3. Step 3: Cross multiply
    615,964.60x = 923,786.52 × 260,795.80
  4. Step 4: Simplify right side
    615,964.60x = 240,919,644,512.62
  5. Step 5: Solve for x
    x = 240,919,644,512.62/615,964.60
  6. Step 6: Final answer
    x = 391,125.80

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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.