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Finding the Fourth Proportional to 504,047.20, 756,945.60 and 267,851.20

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Solution

The fourth proportional to 504,047.20, 756,945.60 and 267,851.20 is: 402,241.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,047.20 : 756,945.60 = 267,851.20 : x
  2. Step 2: Convert to fraction form
    504,047.20/756,945.60 = 267,851.20/x
  3. Step 3: Cross multiply
    504,047.20x = 756,945.60 × 267,851.20
  4. Step 4: Simplify right side
    504,047.20x = 202,748,787,294.72
  5. Step 5: Solve for x
    x = 202,748,787,294.72/504,047.20
  6. Step 6: Final answer
    x = 402,241.67

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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.