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Finding the Fourth Proportional to 551,723.25, 822,756.75 and 546,678.48

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Solution

The fourth proportional to 551,723.25, 822,756.75 and 546,678.48 is: 815,233.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,723.25 : 822,756.75 = 546,678.48 : x
  2. Step 2: Convert to fraction form
    551,723.25/822,756.75 = 546,678.48/x
  3. Step 3: Cross multiply
    551,723.25x = 822,756.75 × 546,678.48
  4. Step 4: Simplify right side
    551,723.25x = 449,783,409,499.74
  5. Step 5: Solve for x
    x = 449,783,409,499.74/551,723.25
  6. Step 6: Final answer
    x = 815,233.74

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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.