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Finding the Fourth Proportional to 442,040.29, 663,065.06 and 353,854.37

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Solution

The fourth proportional to 442,040.29, 663,065.06 and 353,854.37 is: 530,785.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,040.29 : 663,065.06 = 353,854.37 : x
  2. Step 2: Convert to fraction form
    442,040.29/663,065.06 = 353,854.37/x
  3. Step 3: Cross multiply
    442,040.29x = 663,065.06 × 353,854.37
  4. Step 4: Simplify right side
    442,040.29x = 234,628,469,075.31
  5. Step 5: Solve for x
    x = 234,628,469,075.31/442,040.29
  6. Step 6: Final answer
    x = 530,785.26

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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.