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Finding the Fourth Proportional to 514,520.63, 771,368.81 and 244,513.28

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Solution

The fourth proportional to 514,520.63, 771,368.81 and 244,513.28 is: 366,574.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,520.63 : 771,368.81 = 244,513.28 : x
  2. Step 2: Convert to fraction form
    514,520.63/771,368.81 = 244,513.28/x
  3. Step 3: Cross multiply
    514,520.63x = 771,368.81 × 244,513.28
  4. Step 4: Simplify right side
    514,520.63x = 188,609,912,743.39
  5. Step 5: Solve for x
    x = 188,609,912,743.39/514,520.63
  6. Step 6: Final answer
    x = 366,574.05

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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.