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Finding the Fourth Proportional to 556,637.20, 835,150.20 and 201,662.80

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Solution

The fourth proportional to 556,637.20, 835,150.20 and 201,662.80 is: 302,564.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,637.20 : 835,150.20 = 201,662.80 : x
  2. Step 2: Convert to fraction form
    556,637.20/835,150.20 = 201,662.80/x
  3. Step 3: Cross multiply
    556,637.20x = 835,150.20 × 201,662.80
  4. Step 4: Simplify right side
    556,637.20x = 168,418,727,752.56
  5. Step 5: Solve for x
    x = 168,418,727,752.56/556,637.20
  6. Step 6: Final answer
    x = 302,564.63

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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.