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Finding the Fourth Proportional to 615,593.20, 923,303.40 and 194,911.60

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Solution

The fourth proportional to 615,593.20, 923,303.40 and 194,911.60 is: 292,340.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,593.20 : 923,303.40 = 194,911.60 : x
  2. Step 2: Convert to fraction form
    615,593.20/923,303.40 = 194,911.60/x
  3. Step 3: Cross multiply
    615,593.20x = 923,303.40 × 194,911.60
  4. Step 4: Simplify right side
    615,593.20x = 179,962,542,979.44
  5. Step 5: Solve for x
    x = 179,962,542,979.44/615,593.20
  6. Step 6: Final answer
    x = 292,340.04

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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.