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Finding the Fourth Proportional to 895,777.88, 1,236,173.47 and 493,369.88

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Solution

The fourth proportional to 895,777.88, 1,236,173.47 and 493,369.88 is: 680,850.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,777.88 : 1,236,173.47 = 493,369.88 : x
  2. Step 2: Convert to fraction form
    895,777.88/1,236,173.47 = 493,369.88/x
  3. Step 3: Cross multiply
    895,777.88x = 1,236,173.47 × 493,369.88
  4. Step 4: Simplify right side
    895,777.88x = 609,890,749,138.79
  5. Step 5: Solve for x
    x = 609,890,749,138.79/895,777.88
  6. Step 6: Final answer
    x = 680,850.43

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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.