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Finding the Fourth Proportional to 546,152.21, 819,096.99 and 279,775.61

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Solution

The fourth proportional to 546,152.21, 819,096.99 and 279,775.61 is: 419,596.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,152.21 : 819,096.99 = 279,775.61 : x
  2. Step 2: Convert to fraction form
    546,152.21/819,096.99 = 279,775.61/x
  3. Step 3: Cross multiply
    546,152.21x = 819,096.99 × 279,775.61
  4. Step 4: Simplify right side
    546,152.21x = 229,163,360,026.41
  5. Step 5: Solve for x
    x = 229,163,360,026.41/546,152.21
  6. Step 6: Final answer
    x = 419,596.14

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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.