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Finding the Fourth Proportional to 306,807.72, 460,232.54 and 104,321.39

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Solution

The fourth proportional to 306,807.72, 460,232.54 and 104,321.39 is: 156,489.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,807.72 : 460,232.54 = 104,321.39 : x
  2. Step 2: Convert to fraction form
    306,807.72/460,232.54 = 104,321.39/x
  3. Step 3: Cross multiply
    306,807.72x = 460,232.54 × 104,321.39
  4. Step 4: Simplify right side
    306,807.72x = 48,012,095,473.26
  5. Step 5: Solve for x
    x = 48,012,095,473.26/306,807.72
  6. Step 6: Final answer
    x = 156,489.20

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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.