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Finding the Fourth Proportional to 349,122.84, 523,684.66 and 112,500.76

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Solution

The fourth proportional to 349,122.84, 523,684.66 and 112,500.76 is: 168,751.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,122.84 : 523,684.66 = 112,500.76 : x
  2. Step 2: Convert to fraction form
    349,122.84/523,684.66 = 112,500.76/x
  3. Step 3: Cross multiply
    349,122.84x = 523,684.66 × 112,500.76
  4. Step 4: Simplify right side
    349,122.84x = 58,914,922,250.34
  5. Step 5: Solve for x
    x = 58,914,922,250.34/349,122.84
  6. Step 6: Final answer
    x = 168,751.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.