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Finding the Fourth Proportional to 461,350.80, 635,719.32 and 340,300.62

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Solution

The fourth proportional to 461,350.80, 635,719.32 and 340,300.62 is: 468,917.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,350.80 : 635,719.32 = 340,300.62 : x
  2. Step 2: Convert to fraction form
    461,350.80/635,719.32 = 340,300.62/x
  3. Step 3: Cross multiply
    461,350.80x = 635,719.32 × 340,300.62
  4. Step 4: Simplify right side
    461,350.80x = 216,335,678,741.98
  5. Step 5: Solve for x
    x = 216,335,678,741.98/461,350.80
  6. Step 6: Final answer
    x = 468,917.97

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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.