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Finding the Fourth Proportional to 419,077.44, 625,099.50 and 384,688.08

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Solution

The fourth proportional to 419,077.44, 625,099.50 and 384,688.08 is: 573,804.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,077.44 : 625,099.50 = 384,688.08 : x
  2. Step 2: Convert to fraction form
    419,077.44/625,099.50 = 384,688.08/x
  3. Step 3: Cross multiply
    419,077.44x = 625,099.50 × 384,688.08
  4. Step 4: Simplify right side
    419,077.44x = 240,468,326,463.96
  5. Step 5: Solve for x
    x = 240,468,326,463.96/419,077.44
  6. Step 6: Final answer
    x = 573,804.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.