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Finding the Fourth Proportional to 433,578.89, 650,352.71 and 113,728.20

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Solution

The fourth proportional to 433,578.89, 650,352.71 and 113,728.20 is: 170,588.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,578.89 : 650,352.71 = 113,728.20 : x
  2. Step 2: Convert to fraction form
    433,578.89/650,352.71 = 113,728.20/x
  3. Step 3: Cross multiply
    433,578.89x = 650,352.71 × 113,728.20
  4. Step 4: Simplify right side
    433,578.89x = 73,963,442,504.78
  5. Step 5: Solve for x
    x = 73,963,442,504.78/433,578.89
  6. Step 6: Final answer
    x = 170,588.20

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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.