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Finding the Fourth Proportional to 306,799.61, 460,220.36 and 104,313.29

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Solution

The fourth proportional to 306,799.61, 460,220.36 and 104,313.29 is: 156,477.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,799.61 : 460,220.36 = 104,313.29 : x
  2. Step 2: Convert to fraction form
    306,799.61/460,220.36 = 104,313.29/x
  3. Step 3: Cross multiply
    306,799.61x = 460,220.36 × 104,313.29
  4. Step 4: Simplify right side
    306,799.61x = 48,007,097,053.92
  5. Step 5: Solve for x
    x = 48,007,097,053.92/306,799.61
  6. Step 6: Final answer
    x = 156,477.05

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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.