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Finding the Fourth Proportional to 276,630.40, 414,945.60 and 241,638.40

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Solution

The fourth proportional to 276,630.40, 414,945.60 and 241,638.40 is: 362,457.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,630.40 : 414,945.60 = 241,638.40 : x
  2. Step 2: Convert to fraction form
    276,630.40/414,945.60 = 241,638.40/x
  3. Step 3: Cross multiply
    276,630.40x = 414,945.60 × 241,638.40
  4. Step 4: Simplify right side
    276,630.40x = 100,266,790,871.04
  5. Step 5: Solve for x
    x = 100,266,790,871.04/276,630.40
  6. Step 6: Final answer
    x = 362,457.60

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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.