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Finding the Fourth Proportional to 350,068.32, 482,892.72 and 220,960.80

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Solution

The fourth proportional to 350,068.32, 482,892.72 and 220,960.80 is: 304,798.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,068.32 : 482,892.72 = 220,960.80 : x
  2. Step 2: Convert to fraction form
    350,068.32/482,892.72 = 220,960.80/x
  3. Step 3: Cross multiply
    350,068.32x = 482,892.72 × 220,960.80
  4. Step 4: Simplify right side
    350,068.32x = 106,700,361,725.38
  5. Step 5: Solve for x
    x = 106,700,361,725.38/350,068.32
  6. Step 6: Final answer
    x = 304,798.68

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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.