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Finding the Fourth Proportional to 524,092.80, 787,888.80 and 447,110.40

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Solution

The fourth proportional to 524,092.80, 787,888.80 and 447,110.40 is: 672,158.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,092.80 : 787,888.80 = 447,110.40 : x
  2. Step 2: Convert to fraction form
    524,092.80/787,888.80 = 447,110.40/x
  3. Step 3: Cross multiply
    524,092.80x = 787,888.80 × 447,110.40
  4. Step 4: Simplify right side
    524,092.80x = 352,273,276,523.52
  5. Step 5: Solve for x
    x = 352,273,276,523.52/524,092.80
  6. Step 6: Final answer
    x = 672,158.21

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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.