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Finding the Fourth Proportional to 536,552.80, 804,829.20 and 394,835.20

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Solution

The fourth proportional to 536,552.80, 804,829.20 and 394,835.20 is: 592,252.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,552.80 : 804,829.20 = 394,835.20 : x
  2. Step 2: Convert to fraction form
    536,552.80/804,829.20 = 394,835.20/x
  3. Step 3: Cross multiply
    536,552.80x = 804,829.20 × 394,835.20
  4. Step 4: Simplify right side
    536,552.80x = 317,774,898,147.84
  5. Step 5: Solve for x
    x = 317,774,898,147.84/536,552.80
  6. Step 6: Final answer
    x = 592,252.80

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Similar ratio
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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.