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Finding the Fourth Proportional to 352,596, 486,582.48 and 201,693

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Solution

The fourth proportional to 352,596, 486,582.48 and 201,693 is: 278,336.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,596 : 486,582.48 = 201,693 : x
  2. Step 2: Convert to fraction form
    352,596/486,582.48 = 201,693/x
  3. Step 3: Cross multiply
    352,596x = 486,582.48 × 201,693
  4. Step 4: Simplify right side
    352,596x = 98,140,280,138.64
  5. Step 5: Solve for x
    x = 98,140,280,138.64/352,596
  6. Step 6: Final answer
    x = 278,336.34

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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.