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Finding the Fourth Proportional to 541,664.55, 812,496.83 and 384,200.55

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Solution

The fourth proportional to 541,664.55, 812,496.83 and 384,200.55 is: 576,300.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,664.55 : 812,496.83 = 384,200.55 : x
  2. Step 2: Convert to fraction form
    541,664.55/812,496.83 = 384,200.55/x
  3. Step 3: Cross multiply
    541,664.55x = 812,496.83 × 384,200.55
  4. Step 4: Simplify right side
    541,664.55x = 312,161,727,038.25
  5. Step 5: Solve for x
    x = 312,161,727,038.25/541,664.55
  6. Step 6: Final answer
    x = 576,300.83

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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.