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Finding the Fourth Proportional to 615,947.36, 923,923.31 and 189,480.23

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Solution

The fourth proportional to 615,947.36, 923,923.31 and 189,480.23 is: 284,221.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,947.36 : 923,923.31 = 189,480.23 : x
  2. Step 2: Convert to fraction form
    615,947.36/923,923.31 = 189,480.23/x
  3. Step 3: Cross multiply
    615,947.36x = 923,923.31 × 189,480.23
  4. Step 4: Simplify right side
    615,947.36x = 175,065,195,714.14
  5. Step 5: Solve for x
    x = 175,065,195,714.14/615,947.36
  6. Step 6: Final answer
    x = 284,221.04

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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.