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Finding the Fourth Proportional to 451,554.34, 676,002.78 and 301,422.22

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Solution

The fourth proportional to 451,554.34, 676,002.78 and 301,422.22 is: 451,246.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,554.34 : 676,002.78 = 301,422.22 : x
  2. Step 2: Convert to fraction form
    451,554.34/676,002.78 = 301,422.22/x
  3. Step 3: Cross multiply
    451,554.34x = 676,002.78 × 301,422.22
  4. Step 4: Simplify right side
    451,554.34x = 203,762,258,673.77
  5. Step 5: Solve for x
    x = 203,762,258,673.77/451,554.34
  6. Step 6: Final answer
    x = 451,246.37

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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.