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Finding the Fourth Proportional to 364,510.80, 546,766.20 and 321,208.20

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Solution

The fourth proportional to 364,510.80, 546,766.20 and 321,208.20 is: 481,812.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,510.80 : 546,766.20 = 321,208.20 : x
  2. Step 2: Convert to fraction form
    364,510.80/546,766.20 = 321,208.20/x
  3. Step 3: Cross multiply
    364,510.80x = 546,766.20 × 321,208.20
  4. Step 4: Simplify right side
    364,510.80x = 175,625,786,922.84
  5. Step 5: Solve for x
    x = 175,625,786,922.84/364,510.80
  6. Step 6: Final answer
    x = 481,812.30

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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.