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Finding the Fourth Proportional to 308,734.24, 463,092.72 and 98,384.80

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Solution

The fourth proportional to 308,734.24, 463,092.72 and 98,384.80 is: 147,574.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,734.24 : 463,092.72 = 98,384.80 : x
  2. Step 2: Convert to fraction form
    308,734.24/463,092.72 = 98,384.80/x
  3. Step 3: Cross multiply
    308,734.24x = 463,092.72 × 98,384.80
  4. Step 4: Simplify right side
    308,734.24x = 45,561,284,638.66
  5. Step 5: Solve for x
    x = 45,561,284,638.66/308,734.24
  6. Step 6: Final answer
    x = 147,574.45

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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.