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Finding the Fourth Proportional to 551,745, 822,789.23 and 546,700.32

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Solution

The fourth proportional to 551,745, 822,789.23 and 546,700.32 is: 815,266.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,745 : 822,789.23 = 546,700.32 : x
  2. Step 2: Convert to fraction form
    551,745/822,789.23 = 546,700.32/x
  3. Step 3: Cross multiply
    551,745x = 822,789.23 × 546,700.32
  4. Step 4: Simplify right side
    551,745x = 449,819,132,600.05
  5. Step 5: Solve for x
    x = 449,819,132,600.05/551,745
  6. Step 6: Final answer
    x = 815,266.35

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.