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Finding the Fourth Proportional to 606,128, 909,228.46 and 185,407.52

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Solution

The fourth proportional to 606,128, 909,228.46 and 185,407.52 is: 278,122.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,128 : 909,228.46 = 185,407.52 : x
  2. Step 2: Convert to fraction form
    606,128/909,228.46 = 185,407.52/x
  3. Step 3: Cross multiply
    606,128x = 909,228.46 × 185,407.52
  4. Step 4: Simplify right side
    606,128x = 168,577,793,882.02
  5. Step 5: Solve for x
    x = 168,577,793,882.02/606,128
  6. Step 6: Final answer
    x = 278,122.43

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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.