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Finding the Fourth Proportional to 469,026.05, 704,480.59 and 279,855.61

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Solution

The fourth proportional to 469,026.05, 704,480.59 and 279,855.61 is: 420,345.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,026.05 : 704,480.59 = 279,855.61 : x
  2. Step 2: Convert to fraction form
    469,026.05/704,480.59 = 279,855.61/x
  3. Step 3: Cross multiply
    469,026.05x = 704,480.59 × 279,855.61
  4. Step 4: Simplify right side
    469,026.05x = 197,152,843,836.23
  5. Step 5: Solve for x
    x = 197,152,843,836.23/469,026.05
  6. Step 6: Final answer
    x = 420,345.19

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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.