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Finding the Fourth Proportional to 432,912.90, 650,025.45 and 333,185.70

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Solution

The fourth proportional to 432,912.90, 650,025.45 and 333,185.70 is: 500,283.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,912.90 : 650,025.45 = 333,185.70 : x
  2. Step 2: Convert to fraction form
    432,912.90/650,025.45 = 333,185.70/x
  3. Step 3: Cross multiply
    432,912.90x = 650,025.45 × 333,185.70
  4. Step 4: Simplify right side
    432,912.90x = 216,579,184,576.07
  5. Step 5: Solve for x
    x = 216,579,184,576.07/432,912.90
  6. Step 6: Final answer
    x = 500,283.51

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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.