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Finding the Fourth Proportional to 451,446.80, 633,425.20 and 451,446.80

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Solution

The fourth proportional to 451,446.80, 633,425.20 and 451,446.80 is: 633,425.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,446.80 : 633,425.20 = 451,446.80 : x
  2. Step 2: Convert to fraction form
    451,446.80/633,425.20 = 451,446.80/x
  3. Step 3: Cross multiply
    451,446.80x = 633,425.20 × 451,446.80
  4. Step 4: Simplify right side
    451,446.80x = 285,957,779,579.36
  5. Step 5: Solve for x
    x = 285,957,779,579.36/451,446.80
  6. Step 6: Final answer
    x = 633,425.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.