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Finding the Fourth Proportional to 575,708.94, 863,136.81 and 275,904

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Solution

The fourth proportional to 575,708.94, 863,136.81 and 275,904 is: 413,651.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,708.94 : 863,136.81 = 275,904 : x
  2. Step 2: Convert to fraction form
    575,708.94/863,136.81 = 275,904/x
  3. Step 3: Cross multiply
    575,708.94x = 863,136.81 × 275,904
  4. Step 4: Simplify right side
    575,708.94x = 238,142,898,426.24
  5. Step 5: Solve for x
    x = 238,142,898,426.24/575,708.94
  6. Step 6: Final answer
    x = 413,651.56

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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.