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Finding the Fourth Proportional to 313,863.85, 433,127.01 and 170,627.50

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Solution

The fourth proportional to 313,863.85, 433,127.01 and 170,627.50 is: 235,463.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,863.85 : 433,127.01 = 170,627.50 : x
  2. Step 2: Convert to fraction form
    313,863.85/433,127.01 = 170,627.50/x
  3. Step 3: Cross multiply
    313,863.85x = 433,127.01 × 170,627.50
  4. Step 4: Simplify right side
    313,863.85x = 73,903,378,898.78
  5. Step 5: Solve for x
    x = 73,903,378,898.78/313,863.85
  6. Step 6: Final answer
    x = 235,463.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.