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Finding the Fourth Proportional to 592,808.20, 889,212.30 and 394,433.80

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Solution

The fourth proportional to 592,808.20, 889,212.30 and 394,433.80 is: 591,650.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,808.20 : 889,212.30 = 394,433.80 : x
  2. Step 2: Convert to fraction form
    592,808.20/889,212.30 = 394,433.80/x
  3. Step 3: Cross multiply
    592,808.20x = 889,212.30 × 394,433.80
  4. Step 4: Simplify right side
    592,808.20x = 350,735,386,495.74
  5. Step 5: Solve for x
    x = 350,735,386,495.74/592,808.20
  6. Step 6: Final answer
    x = 591,650.70

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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.