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Finding the Fourth Proportional to 468,550.53, 646,596.81 and 253,689.93

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Solution

The fourth proportional to 468,550.53, 646,596.81 and 253,689.93 is: 350,090.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,550.53 : 646,596.81 = 253,689.93 : x
  2. Step 2: Convert to fraction form
    468,550.53/646,596.81 = 253,689.93/x
  3. Step 3: Cross multiply
    468,550.53x = 646,596.81 × 253,689.93
  4. Step 4: Simplify right side
    468,550.53x = 164,035,099,467.12
  5. Step 5: Solve for x
    x = 164,035,099,467.12/468,550.53
  6. Step 6: Final answer
    x = 350,090.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.