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Finding the Fourth Proportional to 503,632.81, 755,531.23 and 148,682.71

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Solution

The fourth proportional to 503,632.81, 755,531.23 and 148,682.71 is: 223,048.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,632.81 : 755,531.23 = 148,682.71 : x
  2. Step 2: Convert to fraction form
    503,632.81/755,531.23 = 148,682.71/x
  3. Step 3: Cross multiply
    503,632.81x = 755,531.23 × 148,682.71
  4. Step 4: Simplify right side
    503,632.81x = 112,334,430,766.03
  5. Step 5: Solve for x
    x = 112,334,430,766.03/503,632.81
  6. Step 6: Final answer
    x = 223,048.28

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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.