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Finding the Fourth Proportional to 481,999.33, 723,432.64 and 257,551.62

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Solution

The fourth proportional to 481,999.33, 723,432.64 and 257,551.62 is: 386,559.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,999.33 : 723,432.64 = 257,551.62 : x
  2. Step 2: Convert to fraction form
    481,999.33/723,432.64 = 257,551.62/x
  3. Step 3: Cross multiply
    481,999.33x = 723,432.64 × 257,551.62
  4. Step 4: Simplify right side
    481,999.33x = 186,321,252,347.36
  5. Step 5: Solve for x
    x = 186,321,252,347.36/481,999.33
  6. Step 6: Final answer
    x = 386,559.15

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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.