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Finding the Fourth Proportional to 498,927.66, 748,864.63 and 308,812.95

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Solution

The fourth proportional to 498,927.66, 748,864.63 and 308,812.95 is: 463,512.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,927.66 : 748,864.63 = 308,812.95 : x
  2. Step 2: Convert to fraction form
    498,927.66/748,864.63 = 308,812.95/x
  3. Step 3: Cross multiply
    498,927.66x = 748,864.63 × 308,812.95
  4. Step 4: Simplify right side
    498,927.66x = 231,259,090,252.57
  5. Step 5: Solve for x
    x = 231,259,090,252.57/498,927.66
  6. Step 6: Final answer
    x = 463,512.27

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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.