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Finding the Fourth Proportional to 615,964.86, 923,980.41 and 195,273.54

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Solution

The fourth proportional to 615,964.86, 923,980.41 and 195,273.54 is: 292,920.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,964.86 : 923,980.41 = 195,273.54 : x
  2. Step 2: Convert to fraction form
    615,964.86/923,980.41 = 195,273.54/x
  3. Step 3: Cross multiply
    615,964.86x = 923,980.41 × 195,273.54
  4. Step 4: Simplify right side
    615,964.86x = 180,428,925,551.35
  5. Step 5: Solve for x
    x = 180,428,925,551.35/615,964.86
  6. Step 6: Final answer
    x = 292,920.81

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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.