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Finding the Fourth Proportional to 519,449.88, 779,096.88 and 164,417.88

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Solution

The fourth proportional to 519,449.88, 779,096.88 and 164,417.88 is: 246,602.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,449.88 : 779,096.88 = 164,417.88 : x
  2. Step 2: Convert to fraction form
    519,449.88/779,096.88 = 164,417.88/x
  3. Step 3: Cross multiply
    519,449.88x = 779,096.88 × 164,417.88
  4. Step 4: Simplify right side
    519,449.88x = 128,097,457,324.21
  5. Step 5: Solve for x
    x = 128,097,457,324.21/519,449.88
  6. Step 6: Final answer
    x = 246,602.15

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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.