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Finding the Fourth Proportional to 300,189.54, 450,461.10 and 110,783.18

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Solution

The fourth proportional to 300,189.54, 450,461.10 and 110,783.18 is: 166,240.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,189.54 : 450,461.10 = 110,783.18 : x
  2. Step 2: Convert to fraction form
    300,189.54/450,461.10 = 110,783.18/x
  3. Step 3: Cross multiply
    300,189.54x = 450,461.10 × 110,783.18
  4. Step 4: Simplify right side
    300,189.54x = 49,903,513,124.30
  5. Step 5: Solve for x
    x = 49,903,513,124.30/300,189.54
  6. Step 6: Final answer
    x = 166,240.01

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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.