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Finding the Fourth Proportional to 606,206, 909,345.45 and 185,485.52

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Solution

The fourth proportional to 606,206, 909,345.45 and 185,485.52 is: 278,239.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,206 : 909,345.45 = 185,485.52 : x
  2. Step 2: Convert to fraction form
    606,206/909,345.45 = 185,485.52/x
  3. Step 3: Cross multiply
    606,206x = 909,345.45 × 185,485.52
  4. Step 4: Simplify right side
    606,206x = 168,670,413,652.88
  5. Step 5: Solve for x
    x = 168,670,413,652.88/606,206
  6. Step 6: Final answer
    x = 278,239.43

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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.