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Finding the Fourth Proportional to 508,377.74, 761,364.09 and 441,454.32

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Solution

The fourth proportional to 508,377.74, 761,364.09 and 441,454.32 is: 661,137.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,377.74 : 761,364.09 = 441,454.32 : x
  2. Step 2: Convert to fraction form
    508,377.74/761,364.09 = 441,454.32/x
  3. Step 3: Cross multiply
    508,377.74x = 761,364.09 × 441,454.32
  4. Step 4: Simplify right side
    508,377.74x = 336,107,466,623.37
  5. Step 5: Solve for x
    x = 336,107,466,623.37/508,377.74
  6. Step 6: Final answer
    x = 661,137.27

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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.