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Finding the Fourth Proportional to 543,497.84, 811,586.83 and 443,855.69

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Solution

The fourth proportional to 543,497.84, 811,586.83 and 443,855.69 is: 662,794.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,497.84 : 811,586.83 = 443,855.69 : x
  2. Step 2: Convert to fraction form
    543,497.84/811,586.83 = 443,855.69/x
  3. Step 3: Cross multiply
    543,497.84x = 811,586.83 × 443,855.69
  4. Step 4: Simplify right side
    543,497.84x = 360,227,427,256.99
  5. Step 5: Solve for x
    x = 360,227,427,256.99/543,497.84
  6. Step 6: Final answer
    x = 662,794.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.