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Finding the Fourth Proportional to 446,590.20, 669,885.30 and 362,609.40

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Solution

The fourth proportional to 446,590.20, 669,885.30 and 362,609.40 is: 543,914.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,590.20 : 669,885.30 = 362,609.40 : x
  2. Step 2: Convert to fraction form
    446,590.20/669,885.30 = 362,609.40/x
  3. Step 3: Cross multiply
    446,590.20x = 669,885.30 × 362,609.40
  4. Step 4: Simplify right side
    446,590.20x = 242,906,706,701.82
  5. Step 5: Solve for x
    x = 242,906,706,701.82/446,590.20
  6. Step 6: Final answer
    x = 543,914.10

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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.