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Finding the Fourth Proportional to 433,817.71, 650,707.39 and 118,274.65

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Solution

The fourth proportional to 433,817.71, 650,707.39 and 118,274.65 is: 177,406.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,817.71 : 650,707.39 = 118,274.65 : x
  2. Step 2: Convert to fraction form
    433,817.71/650,707.39 = 118,274.65/x
  3. Step 3: Cross multiply
    433,817.71x = 650,707.39 × 118,274.65
  4. Step 4: Simplify right side
    433,817.71x = 76,962,184,959.75
  5. Step 5: Solve for x
    x = 76,962,184,959.75/433,817.71
  6. Step 6: Final answer
    x = 177,406.74

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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.