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Finding the Fourth Proportional to 350,383.95, 523,655.82 and 255,813.36

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Solution

The fourth proportional to 350,383.95, 523,655.82 and 255,813.36 is: 382,318.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,383.95 : 523,655.82 = 255,813.36 : x
  2. Step 2: Convert to fraction form
    350,383.95/523,655.82 = 255,813.36/x
  3. Step 3: Cross multiply
    350,383.95x = 523,655.82 × 255,813.36
  4. Step 4: Simplify right side
    350,383.95x = 133,958,154,797.76
  5. Step 5: Solve for x
    x = 133,958,154,797.76/350,383.95
  6. Step 6: Final answer
    x = 382,318.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.