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Finding the Fourth Proportional to 806,007.92, 1,112,290.92 and 443,424.02

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Solution

The fourth proportional to 806,007.92, 1,112,290.92 and 443,424.02 is: 611,925.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,007.92 : 1,112,290.92 = 443,424.02 : x
  2. Step 2: Convert to fraction form
    806,007.92/1,112,290.92 = 443,424.02/x
  3. Step 3: Cross multiply
    806,007.92x = 1,112,290.92 × 443,424.02
  4. Step 4: Simplify right side
    806,007.92x = 493,216,505,594.44
  5. Step 5: Solve for x
    x = 493,216,505,594.44/806,007.92
  6. Step 6: Final answer
    x = 611,925.14

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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.