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Finding the Fourth Proportional to 433,304.70, 649,825.80 and 117,720.60

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Solution

The fourth proportional to 433,304.70, 649,825.80 and 117,720.60 is: 176,545.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,304.70 : 649,825.80 = 117,720.60 : x
  2. Step 2: Convert to fraction form
    433,304.70/649,825.80 = 117,720.60/x
  3. Step 3: Cross multiply
    433,304.70x = 649,825.80 × 117,720.60
  4. Step 4: Simplify right side
    433,304.70x = 76,497,883,071.48
  5. Step 5: Solve for x
    x = 76,497,883,071.48/433,304.70
  6. Step 6: Final answer
    x = 176,545.24

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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.