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Finding the Fourth Proportional to 554,766.81, 832,173.94 and 217,880.49

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Solution

The fourth proportional to 554,766.81, 832,173.94 and 217,880.49 is: 326,830.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,766.81 : 832,173.94 = 217,880.49 : x
  2. Step 2: Convert to fraction form
    554,766.81/832,173.94 = 217,880.49/x
  3. Step 3: Cross multiply
    554,766.81x = 832,173.94 × 217,880.49
  4. Step 4: Simplify right side
    554,766.81x = 181,314,465,812.43
  5. Step 5: Solve for x
    x = 181,314,465,812.43/554,766.81
  6. Step 6: Final answer
    x = 326,830.05

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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.