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Finding the Fourth Proportional to 556,632.70, 835,143.45 and 201,658.30

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Solution

The fourth proportional to 556,632.70, 835,143.45 and 201,658.30 is: 302,557.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,632.70 : 835,143.45 = 201,658.30 : x
  2. Step 2: Convert to fraction form
    556,632.70/835,143.45 = 201,658.30/x
  3. Step 3: Cross multiply
    556,632.70x = 835,143.45 × 201,658.30
  4. Step 4: Simplify right side
    556,632.70x = 168,413,608,383.14
  5. Step 5: Solve for x
    x = 168,413,608,383.14/556,632.70
  6. Step 6: Final answer
    x = 302,557.88

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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.