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Finding the Fourth Proportional to 546,089.20, 819,133.80 and 521,594.80

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Solution

The fourth proportional to 546,089.20, 819,133.80 and 521,594.80 is: 782,392.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,089.20 : 819,133.80 = 521,594.80 : x
  2. Step 2: Convert to fraction form
    546,089.20/819,133.80 = 521,594.80/x
  3. Step 3: Cross multiply
    546,089.20x = 819,133.80 × 521,594.80
  4. Step 4: Simplify right side
    546,089.20x = 427,255,930,584.24
  5. Step 5: Solve for x
    x = 427,255,930,584.24/546,089.20
  6. Step 6: Final answer
    x = 782,392.20

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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.