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Finding the Fourth Proportional to 546,523.60, 819,785.40 and 511,272.40

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Solution

The fourth proportional to 546,523.60, 819,785.40 and 511,272.40 is: 766,908.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,523.60 : 819,785.40 = 511,272.40 : x
  2. Step 2: Convert to fraction form
    546,523.60/819,785.40 = 511,272.40/x
  3. Step 3: Cross multiply
    546,523.60x = 819,785.40 × 511,272.40
  4. Step 4: Simplify right side
    546,523.60x = 419,133,648,942.96
  5. Step 5: Solve for x
    x = 419,133,648,942.96/546,523.60
  6. Step 6: Final answer
    x = 766,908.60

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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.