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Finding the Fourth Proportional to 538,865.44, 808,360.69 and 179,068.40

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Solution

The fourth proportional to 538,865.44, 808,360.69 and 179,068.40 is: 268,623.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,865.44 : 808,360.69 = 179,068.40 : x
  2. Step 2: Convert to fraction form
    538,865.44/808,360.69 = 179,068.40/x
  3. Step 3: Cross multiply
    538,865.44x = 808,360.69 × 179,068.40
  4. Step 4: Simplify right side
    538,865.44x = 144,751,853,122.07
  5. Step 5: Solve for x
    x = 144,751,853,122.07/538,865.44
  6. Step 6: Final answer
    x = 268,623.38

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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.