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Finding the Fourth Proportional to 446,579.40, 670,646.70 and 236,627.40

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Solution

The fourth proportional to 446,579.40, 670,646.70 and 236,627.40 is: 355,353.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,579.40 : 670,646.70 = 236,627.40 : x
  2. Step 2: Convert to fraction form
    446,579.40/670,646.70 = 236,627.40/x
  3. Step 3: Cross multiply
    446,579.40x = 670,646.70 × 236,627.40
  4. Step 4: Simplify right side
    446,579.40x = 158,693,384,939.58
  5. Step 5: Solve for x
    x = 158,693,384,939.58/446,579.40
  6. Step 6: Final answer
    x = 355,353.12

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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.