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Finding the Fourth Proportional to 606,390.60, 907,836.30 and 606,390.60

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Solution

The fourth proportional to 606,390.60, 907,836.30 and 606,390.60 is: 907,836.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,390.60 : 907,836.30 = 606,390.60 : x
  2. Step 2: Convert to fraction form
    606,390.60/907,836.30 = 606,390.60/x
  3. Step 3: Cross multiply
    606,390.60x = 907,836.30 × 606,390.60
  4. Step 4: Simplify right side
    606,390.60x = 550,503,398,658.78
  5. Step 5: Solve for x
    x = 550,503,398,658.78/606,390.60
  6. Step 6: Final answer
    x = 907,836.30

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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.