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Finding the Fourth Proportional to 313,264.54, 432,305.46 and 170,024.62

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Solution

The fourth proportional to 313,264.54, 432,305.46 and 170,024.62 is: 234,634.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,264.54 : 432,305.46 = 170,024.62 : x
  2. Step 2: Convert to fraction form
    313,264.54/432,305.46 = 170,024.62/x
  3. Step 3: Cross multiply
    313,264.54x = 432,305.46 × 170,024.62
  4. Step 4: Simplify right side
    313,264.54x = 73,502,571,560.43
  5. Step 5: Solve for x
    x = 73,502,571,560.43/313,264.54
  6. Step 6: Final answer
    x = 234,634.19

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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.