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Finding the Fourth Proportional to 662,709.30, 914,532.03 and 360,903.30

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Solution

The fourth proportional to 662,709.30, 914,532.03 and 360,903.30 is: 498,042.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,709.30 : 914,532.03 = 360,903.30 : x
  2. Step 2: Convert to fraction form
    662,709.30/914,532.03 = 360,903.30/x
  3. Step 3: Cross multiply
    662,709.30x = 914,532.03 × 360,903.30
  4. Step 4: Simplify right side
    662,709.30x = 330,057,627,582.70
  5. Step 5: Solve for x
    x = 330,057,627,582.70/662,709.30
  6. Step 6: Final answer
    x = 498,042.85

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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.