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Finding the Fourth Proportional to 606,401.60, 909,645.60 and 185,676.80

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Solution

The fourth proportional to 606,401.60, 909,645.60 and 185,676.80 is: 278,528.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,401.60 : 909,645.60 = 185,676.80 : x
  2. Step 2: Convert to fraction form
    606,401.60/909,645.60 = 185,676.80/x
  3. Step 3: Cross multiply
    606,401.60x = 909,645.60 × 185,676.80
  4. Step 4: Simplify right side
    606,401.60x = 168,900,084,142.08
  5. Step 5: Solve for x
    x = 168,900,084,142.08/606,401.60
  6. Step 6: Final answer
    x = 278,528.43

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1.5x scale

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.