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Finding the Fourth Proportional to 446,338.17, 672,575.56 and 369,180.81

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Solution

The fourth proportional to 446,338.17, 672,575.56 and 369,180.81 is: 556,309.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,338.17 : 672,575.56 = 369,180.81 : x
  2. Step 2: Convert to fraction form
    446,338.17/672,575.56 = 369,180.81/x
  3. Step 3: Cross multiply
    446,338.17x = 672,575.56 × 369,180.81
  4. Step 4: Simplify right side
    446,338.17x = 248,301,989,104.05
  5. Step 5: Solve for x
    x = 248,301,989,104.05/446,338.17
  6. Step 6: Final answer
    x = 556,309.11

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.