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Finding the Fourth Proportional to 551,722.75, 822,756.01 and 546,677.98

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Solution

The fourth proportional to 551,722.75, 822,756.01 and 546,677.98 is: 815,233.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,722.75 : 822,756.01 = 546,677.98 : x
  2. Step 2: Convert to fraction form
    551,722.75/822,756.01 = 546,677.98/x
  3. Step 3: Cross multiply
    551,722.75x = 822,756.01 × 546,677.98
  4. Step 4: Simplify right side
    551,722.75x = 449,782,593,579.66
  5. Step 5: Solve for x
    x = 449,782,593,579.66/551,722.75
  6. Step 6: Final answer
    x = 815,233.00

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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.