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Finding the Fourth Proportional to 446,627.01, 669,563.87 and 193,717.02

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Solution

The fourth proportional to 446,627.01, 669,563.87 and 193,717.02 is: 290,412.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,627.01 : 669,563.87 = 193,717.02 : x
  2. Step 2: Convert to fraction form
    446,627.01/669,563.87 = 193,717.02/x
  3. Step 3: Cross multiply
    446,627.01x = 669,563.87 × 193,717.02
  4. Step 4: Simplify right side
    446,627.01x = 129,705,916,461.71
  5. Step 5: Solve for x
    x = 129,705,916,461.71/446,627.01
  6. Step 6: Final answer
    x = 290,412.16

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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.