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Finding the Fourth Proportional to 481,312.88, 722,031.12 and 224,966.40

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Solution

The fourth proportional to 481,312.88, 722,031.12 and 224,966.40 is: 337,478.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,312.88 : 722,031.12 = 224,966.40 : x
  2. Step 2: Convert to fraction form
    481,312.88/722,031.12 = 224,966.40/x
  3. Step 3: Cross multiply
    481,312.88x = 722,031.12 × 224,966.40
  4. Step 4: Simplify right side
    481,312.88x = 162,432,741,754.37
  5. Step 5: Solve for x
    x = 162,432,741,754.37/481,312.88
  6. Step 6: Final answer
    x = 337,478.49

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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.