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Finding the Fourth Proportional to 368,384.96, 550,480.34 and 276,602

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Solution

The fourth proportional to 368,384.96, 550,480.34 and 276,602 is: 413,328.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,384.96 : 550,480.34 = 276,602 : x
  2. Step 2: Convert to fraction form
    368,384.96/550,480.34 = 276,602/x
  3. Step 3: Cross multiply
    368,384.96x = 550,480.34 × 276,602
  4. Step 4: Simplify right side
    368,384.96x = 152,263,963,004.68
  5. Step 5: Solve for x
    x = 152,263,963,004.68/368,384.96
  6. Step 6: Final answer
    x = 413,328.39

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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.