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Finding the Fourth Proportional to 654,116.40, 981,174.60 and 565,542.90

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Solution

The fourth proportional to 654,116.40, 981,174.60 and 565,542.90 is: 848,314.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,116.40 : 981,174.60 = 565,542.90 : x
  2. Step 2: Convert to fraction form
    654,116.40/981,174.60 = 565,542.90/x
  3. Step 3: Cross multiply
    654,116.40x = 981,174.60 × 565,542.90
  4. Step 4: Simplify right side
    654,116.40x = 554,896,328,690.34
  5. Step 5: Solve for x
    x = 554,896,328,690.34/654,116.40
  6. Step 6: Final answer
    x = 848,314.35

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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.