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Finding the Fourth Proportional to 313,504.46, 432,634.25 and 170,263.25

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Solution

The fourth proportional to 313,504.46, 432,634.25 and 170,263.25 is: 234,962.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,504.46 : 432,634.25 = 170,263.25 : x
  2. Step 2: Convert to fraction form
    313,504.46/432,634.25 = 170,263.25/x
  3. Step 3: Cross multiply
    313,504.46x = 432,634.25 × 170,263.25
  4. Step 4: Simplify right side
    313,504.46x = 73,661,710,451.83
  5. Step 5: Solve for x
    x = 73,661,710,451.83/313,504.46
  6. Step 6: Final answer
    x = 234,962.24

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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.