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Finding the Fourth Proportional to 433,099.26, 649,648.71 and 117,602.46

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Solution

The fourth proportional to 433,099.26, 649,648.71 and 117,602.46 is: 176,403.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,099.26 : 649,648.71 = 117,602.46 : x
  2. Step 2: Convert to fraction form
    433,099.26/649,648.71 = 117,602.46/x
  3. Step 3: Cross multiply
    433,099.26x = 649,648.71 × 117,602.46
  4. Step 4: Simplify right side
    433,099.26x = 76,400,286,431.83
  5. Step 5: Solve for x
    x = 76,400,286,431.83/433,099.26
  6. Step 6: Final answer
    x = 176,403.64

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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.