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Finding the Fourth Proportional to 586,566.41, 809,273.43 and 328,405.32

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Solution

The fourth proportional to 586,566.41, 809,273.43 and 328,405.32 is: 453,093.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,566.41 : 809,273.43 = 328,405.32 : x
  2. Step 2: Convert to fraction form
    586,566.41/809,273.43 = 328,405.32/x
  3. Step 3: Cross multiply
    586,566.41x = 809,273.43 × 328,405.32
  4. Step 4: Simplify right side
    586,566.41x = 265,769,699,746.65
  5. Step 5: Solve for x
    x = 265,769,699,746.65/586,566.41
  6. Step 6: Final answer
    x = 453,093.97

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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.