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Finding the Fourth Proportional to 524,328.12, 782,664.36 and 449,926.38

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Solution

The fourth proportional to 524,328.12, 782,664.36 and 449,926.38 is: 671,604.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,328.12 : 782,664.36 = 449,926.38 : x
  2. Step 2: Convert to fraction form
    524,328.12/782,664.36 = 449,926.38/x
  3. Step 3: Cross multiply
    524,328.12x = 782,664.36 × 449,926.38
  4. Step 4: Simplify right side
    524,328.12x = 352,141,342,249.82
  5. Step 5: Solve for x
    x = 352,141,342,249.82/524,328.12
  6. Step 6: Final answer
    x = 671,604.91

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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.