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Finding the Fourth Proportional to 579,909.60, 868,827.60 and 496,965.60

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Solution

The fourth proportional to 579,909.60, 868,827.60 and 496,965.60 is: 744,559.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,909.60 : 868,827.60 = 496,965.60 : x
  2. Step 2: Convert to fraction form
    579,909.60/868,827.60 = 496,965.60/x
  3. Step 3: Cross multiply
    579,909.60x = 868,827.60 × 496,965.60
  4. Step 4: Simplify right side
    579,909.60x = 431,777,429,530.56
  5. Step 5: Solve for x
    x = 431,777,429,530.56/579,909.60
  6. Step 6: Final answer
    x = 744,559.89

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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.