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Finding the Fourth Proportional to 658,178.70, 987,268.05 and 544,017.30

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Solution

The fourth proportional to 658,178.70, 987,268.05 and 544,017.30 is: 816,025.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,178.70 : 987,268.05 = 544,017.30 : x
  2. Step 2: Convert to fraction form
    658,178.70/987,268.05 = 544,017.30/x
  3. Step 3: Cross multiply
    658,178.70x = 987,268.05 × 544,017.30
  4. Step 4: Simplify right side
    658,178.70x = 537,090,898,937.27
  5. Step 5: Solve for x
    x = 537,090,898,937.27/658,178.70
  6. Step 6: Final answer
    x = 816,025.95

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Similar ratio
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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.