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Finding the Fourth Proportional to 524,785.80, 786,012.30 and 454,801.80

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Solution

The fourth proportional to 524,785.80, 786,012.30 and 454,801.80 is: 681,191.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,785.80 : 786,012.30 = 454,801.80 : x
  2. Step 2: Convert to fraction form
    524,785.80/786,012.30 = 454,801.80/x
  3. Step 3: Cross multiply
    524,785.80x = 786,012.30 × 454,801.80
  4. Step 4: Simplify right side
    524,785.80x = 357,479,808,862.14
  5. Step 5: Solve for x
    x = 357,479,808,862.14/524,785.80
  6. Step 6: Final answer
    x = 681,191.85

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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.