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Finding the Fourth Proportional to 433,304.69, 649,825.80 and 117,720.59

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Solution

The fourth proportional to 433,304.69, 649,825.80 and 117,720.59 is: 176,545.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,304.69 : 649,825.80 = 117,720.59 : x
  2. Step 2: Convert to fraction form
    433,304.69/649,825.80 = 117,720.59/x
  3. Step 3: Cross multiply
    433,304.69x = 649,825.80 × 117,720.59
  4. Step 4: Simplify right side
    433,304.69x = 76,497,876,573.22
  5. Step 5: Solve for x
    x = 76,497,876,573.22/433,304.69
  6. Step 6: Final answer
    x = 176,545.23

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1.5x scale

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.