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Finding the Fourth Proportional to 544,031.28, 815,546.52 and 291,485.52

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Solution

The fourth proportional to 544,031.28, 815,546.52 and 291,485.52 is: 436,960.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,031.28 : 815,546.52 = 291,485.52 : x
  2. Step 2: Convert to fraction form
    544,031.28/815,546.52 = 291,485.52/x
  3. Step 3: Cross multiply
    544,031.28x = 815,546.52 × 291,485.52
  4. Step 4: Simplify right side
    544,031.28x = 237,720,001,466.39
  5. Step 5: Solve for x
    x = 237,720,001,466.39/544,031.28
  6. Step 6: Final answer
    x = 436,960.17

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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.