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Finding the Fourth Proportional to 825,988.16, 1,239,111.84 and 352,676

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Solution

The fourth proportional to 825,988.16, 1,239,111.84 and 352,676 is: 529,069.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,988.16 : 1,239,111.84 = 352,676 : x
  2. Step 2: Convert to fraction form
    825,988.16/1,239,111.84 = 352,676/x
  3. Step 3: Cross multiply
    825,988.16x = 1,239,111.84 × 352,676
  4. Step 4: Simplify right side
    825,988.16x = 437,005,007,283.84
  5. Step 5: Solve for x
    x = 437,005,007,283.84/825,988.16
  6. Step 6: Final answer
    x = 529,069.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.