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Finding the Fourth Proportional to 446,402.53, 615,939.65 and 265,175.56

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Solution

The fourth proportional to 446,402.53, 615,939.65 and 265,175.56 is: 365,885.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,402.53 : 615,939.65 = 265,175.56 : x
  2. Step 2: Convert to fraction form
    446,402.53/615,939.65 = 265,175.56/x
  3. Step 3: Cross multiply
    446,402.53x = 615,939.65 × 265,175.56
  4. Step 4: Simplify right side
    446,402.53x = 163,332,138,749.23
  5. Step 5: Solve for x
    x = 163,332,138,749.23/446,402.53
  6. Step 6: Final answer
    x = 365,885.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.