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Finding the Fourth Proportional to 313,953.46, 433,252.78 and 170,713.60

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Solution

The fourth proportional to 313,953.46, 433,252.78 and 170,713.60 is: 235,583.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,953.46 : 433,252.78 = 170,713.60 : x
  2. Step 2: Convert to fraction form
    313,953.46/433,252.78 = 170,713.60/x
  3. Step 3: Cross multiply
    313,953.46x = 433,252.78 × 170,713.60
  4. Step 4: Simplify right side
    313,953.46x = 73,962,141,783.81
  5. Step 5: Solve for x
    x = 73,962,141,783.81/313,953.46
  6. Step 6: Final answer
    x = 235,583.14

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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.