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Finding the Fourth Proportional to 543,872.88, 750,651.90 and 347,513.76

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Solution

The fourth proportional to 543,872.88, 750,651.90 and 347,513.76 is: 479,637.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,872.88 : 750,651.90 = 347,513.76 : x
  2. Step 2: Convert to fraction form
    543,872.88/750,651.90 = 347,513.76/x
  3. Step 3: Cross multiply
    543,872.88x = 750,651.90 × 347,513.76
  4. Step 4: Simplify right side
    543,872.88x = 260,861,864,220.14
  5. Step 5: Solve for x
    x = 260,861,864,220.14/543,872.88
  6. Step 6: Final answer
    x = 479,637.57

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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.