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Finding the Fourth Proportional to 442,041.29, 663,066.57 and 353,855.37

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Solution

The fourth proportional to 442,041.29, 663,066.57 and 353,855.37 is: 530,786.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,041.29 : 663,066.57 = 353,855.37 : x
  2. Step 2: Convert to fraction form
    442,041.29/663,066.57 = 353,855.37/x
  3. Step 3: Cross multiply
    442,041.29x = 663,066.57 × 353,855.37
  4. Step 4: Simplify right side
    442,041.29x = 234,629,666,461.98
  5. Step 5: Solve for x
    x = 234,629,666,461.98/442,041.29
  6. Step 6: Final answer
    x = 530,786.77

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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.