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Finding the Fourth Proportional to 579,812.50, 800,228.73 and 353,589.22

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Solution

The fourth proportional to 579,812.50, 800,228.73 and 353,589.22 is: 488,006.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,812.50 : 800,228.73 = 353,589.22 : x
  2. Step 2: Convert to fraction form
    579,812.50/800,228.73 = 353,589.22/x
  3. Step 3: Cross multiply
    579,812.50x = 800,228.73 × 353,589.22
  4. Step 4: Simplify right side
    579,812.50x = 282,952,252,462.29
  5. Step 5: Solve for x
    x = 282,952,252,462.29/579,812.50
  6. Step 6: Final answer
    x = 488,006.47

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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.