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Finding the Fourth Proportional to 541,405.60, 812,108.40 and 494,166.40

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Solution

The fourth proportional to 541,405.60, 812,108.40 and 494,166.40 is: 741,249.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,405.60 : 812,108.40 = 494,166.40 : x
  2. Step 2: Convert to fraction form
    541,405.60/812,108.40 = 494,166.40/x
  3. Step 3: Cross multiply
    541,405.60x = 812,108.40 × 494,166.40
  4. Step 4: Simplify right side
    541,405.60x = 401,316,684,437.76
  5. Step 5: Solve for x
    x = 401,316,684,437.76/541,405.60
  6. Step 6: Final answer
    x = 741,249.60

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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.