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Finding the Fourth Proportional to 489,523.01, 734,575.73 and 264,878.96

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Solution

The fourth proportional to 489,523.01, 734,575.73 and 264,878.96 is: 397,476.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,523.01 : 734,575.73 = 264,878.96 : x
  2. Step 2: Convert to fraction form
    489,523.01/734,575.73 = 264,878.96/x
  3. Step 3: Cross multiply
    489,523.01x = 734,575.73 × 264,878.96
  4. Step 4: Simplify right side
    489,523.01x = 194,573,650,406.37
  5. Step 5: Solve for x
    x = 194,573,650,406.37/489,523.01
  6. Step 6: Final answer
    x = 397,476.01

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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.