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Finding the Fourth Proportional to 432,855.60, 649,283.40 and 246,231.60

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Solution

The fourth proportional to 432,855.60, 649,283.40 and 246,231.60 is: 369,347.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,855.60 : 649,283.40 = 246,231.60 : x
  2. Step 2: Convert to fraction form
    432,855.60/649,283.40 = 246,231.60/x
  3. Step 3: Cross multiply
    432,855.60x = 649,283.40 × 246,231.60
  4. Step 4: Simplify right side
    432,855.60x = 159,874,090,435.44
  5. Step 5: Solve for x
    x = 159,874,090,435.44/432,855.60
  6. Step 6: Final answer
    x = 369,347.40

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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.