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Finding the Fourth Proportional to 276,740.40, 415,110.60 and 241,748.40

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Solution

The fourth proportional to 276,740.40, 415,110.60 and 241,748.40 is: 362,622.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,740.40 : 415,110.60 = 241,748.40 : x
  2. Step 2: Convert to fraction form
    276,740.40/415,110.60 = 241,748.40/x
  3. Step 3: Cross multiply
    276,740.40x = 415,110.60 × 241,748.40
  4. Step 4: Simplify right side
    276,740.40x = 100,352,323,373.04
  5. Step 5: Solve for x
    x = 100,352,323,373.04/276,740.40
  6. Step 6: Final answer
    x = 362,622.60

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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.