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Finding the Fourth Proportional to 460,628.73, 635,804.51 and 290,975.85

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Solution

The fourth proportional to 460,628.73, 635,804.51 and 290,975.85 is: 401,633.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,628.73 : 635,804.51 = 290,975.85 : x
  2. Step 2: Convert to fraction form
    460,628.73/635,804.51 = 290,975.85/x
  3. Step 3: Cross multiply
    460,628.73x = 635,804.51 × 290,975.85
  4. Step 4: Simplify right side
    460,628.73x = 185,003,756,276.20
  5. Step 5: Solve for x
    x = 185,003,756,276.20/460,628.73
  6. Step 6: Final answer
    x = 401,633.12

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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.