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Finding the Fourth Proportional to 348,260.94, 522,303.62 and 134,955.54

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Solution

The fourth proportional to 348,260.94, 522,303.62 and 134,955.54 is: 202,399.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,260.94 : 522,303.62 = 134,955.54 : x
  2. Step 2: Convert to fraction form
    348,260.94/522,303.62 = 134,955.54/x
  3. Step 3: Cross multiply
    348,260.94x = 522,303.62 × 134,955.54
  4. Step 4: Simplify right side
    348,260.94x = 70,487,766,406.28
  5. Step 5: Solve for x
    x = 70,487,766,406.28/348,260.94
  6. Step 6: Final answer
    x = 202,399.29

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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.