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Finding the Fourth Proportional to 550,409.85, 825,614.78 and 461,836.35

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Solution

The fourth proportional to 550,409.85, 825,614.78 and 461,836.35 is: 692,754.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,409.85 : 825,614.78 = 461,836.35 : x
  2. Step 2: Convert to fraction form
    550,409.85/825,614.78 = 461,836.35/x
  3. Step 3: Cross multiply
    550,409.85x = 825,614.78 × 461,836.35
  4. Step 4: Simplify right side
    550,409.85x = 381,298,914,192.07
  5. Step 5: Solve for x
    x = 381,298,914,192.07/550,409.85
  6. Step 6: Final answer
    x = 692,754.53

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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.