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Finding the Fourth Proportional to 433,068.01, 649,591.08 and 117,516.72

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Solution

The fourth proportional to 433,068.01, 649,591.08 and 117,516.72 is: 176,272.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,068.01 : 649,591.08 = 117,516.72 : x
  2. Step 2: Convert to fraction form
    433,068.01/649,591.08 = 117,516.72/x
  3. Step 3: Cross multiply
    433,068.01x = 649,591.08 × 117,516.72
  4. Step 4: Simplify right side
    433,068.01x = 76,337,813,062.86
  5. Step 5: Solve for x
    x = 76,337,813,062.86/433,068.01
  6. Step 6: Final answer
    x = 176,272.11

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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.