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Finding the Fourth Proportional to 450,940.32, 622,409.94 and 260,068.68

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Solution

The fourth proportional to 450,940.32, 622,409.94 and 260,068.68 is: 358,959.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,940.32 : 622,409.94 = 260,068.68 : x
  2. Step 2: Convert to fraction form
    450,940.32/622,409.94 = 260,068.68/x
  3. Step 3: Cross multiply
    450,940.32x = 622,409.94 × 260,068.68
  4. Step 4: Simplify right side
    450,940.32x = 161,869,331,514.68
  5. Step 5: Solve for x
    x = 161,869,331,514.68/450,940.32
  6. Step 6: Final answer
    x = 358,959.54

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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.