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Finding the Fourth Proportional to 313,599.48, 432,767.66 and 170,359.50

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Solution

The fourth proportional to 313,599.48, 432,767.66 and 170,359.50 is: 235,096.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,599.48 : 432,767.66 = 170,359.50 : x
  2. Step 2: Convert to fraction form
    313,599.48/432,767.66 = 170,359.50/x
  3. Step 3: Cross multiply
    313,599.48x = 432,767.66 × 170,359.50
  4. Step 4: Simplify right side
    313,599.48x = 73,726,081,321.97
  5. Step 5: Solve for x
    x = 73,726,081,321.97/313,599.48
  6. Step 6: Final answer
    x = 235,096.31

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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.