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Finding the Fourth Proportional to 556,758.80, 835,137.86 and 201,772.25

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Solution

The fourth proportional to 556,758.80, 835,137.86 and 201,772.25 is: 302,658.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,758.80 : 835,137.86 = 201,772.25 : x
  2. Step 2: Convert to fraction form
    556,758.80/835,137.86 = 201,772.25/x
  3. Step 3: Cross multiply
    556,758.80x = 835,137.86 × 201,772.25
  4. Step 4: Simplify right side
    556,758.80x = 168,507,639,887.83
  5. Step 5: Solve for x
    x = 168,507,639,887.83/556,758.80
  6. Step 6: Final answer
    x = 302,658.25

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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.