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Finding the Fourth Proportional to 484,669.26, 727,108.76 and 147,701.01

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Solution

The fourth proportional to 484,669.26, 727,108.76 and 147,701.01 is: 221,583.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,669.26 : 727,108.76 = 147,701.01 : x
  2. Step 2: Convert to fraction form
    484,669.26/727,108.76 = 147,701.01/x
  3. Step 3: Cross multiply
    484,669.26x = 727,108.76 × 147,701.01
  4. Step 4: Simplify right side
    484,669.26x = 107,394,698,601.10
  5. Step 5: Solve for x
    x = 107,394,698,601.10/484,669.26
  6. Step 6: Final answer
    x = 221,583.47

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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.