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Finding the Fourth Proportional to 308,026.84, 425,091.18 and 170,225.14

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Solution

The fourth proportional to 308,026.84, 425,091.18 and 170,225.14 is: 234,918.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,026.84 : 425,091.18 = 170,225.14 : x
  2. Step 2: Convert to fraction form
    308,026.84/425,091.18 = 170,225.14/x
  3. Step 3: Cross multiply
    308,026.84x = 425,091.18 × 170,225.14
  4. Step 4: Simplify right side
    308,026.84x = 72,361,205,628.27
  5. Step 5: Solve for x
    x = 72,361,205,628.27/308,026.84
  6. Step 6: Final answer
    x = 234,918.51

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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.