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Finding the Fourth Proportional to 406,490.00, 560,640.29 and 277,532.19

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Solution

The fourth proportional to 406,490.00, 560,640.29 and 277,532.19 is: 382,778.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,490.00 : 560,640.29 = 277,532.19 : x
  2. Step 2: Convert to fraction form
    406,490.00/560,640.29 = 277,532.19/x
  3. Step 3: Cross multiply
    406,490.00x = 560,640.29 × 277,532.19
  4. Step 4: Simplify right side
    406,490.00x = 155,595,726,098.27
  5. Step 5: Solve for x
    x = 155,595,726,098.27/406,490.00
  6. Step 6: Final answer
    x = 382,778.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.