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Finding the Fourth Proportional to 446,573.40, 670,637.70 and 236,621.40

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Solution

The fourth proportional to 446,573.40, 670,637.70 and 236,621.40 is: 355,344.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,573.40 : 670,637.70 = 236,621.40 : x
  2. Step 2: Convert to fraction form
    446,573.40/670,637.70 = 236,621.40/x
  3. Step 3: Cross multiply
    446,573.40x = 670,637.70 × 236,621.40
  4. Step 4: Simplify right side
    446,573.40x = 158,687,231,466.78
  5. Step 5: Solve for x
    x = 158,687,231,466.78/446,573.40
  6. Step 6: Final answer
    x = 355,344.12

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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.