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Finding the Fourth Proportional to 335,508.66, 463,173.39 and 258,855.66

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Solution

The fourth proportional to 335,508.66, 463,173.39 and 258,855.66 is: 357,353.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,508.66 : 463,173.39 = 258,855.66 : x
  2. Step 2: Convert to fraction form
    335,508.66/463,173.39 = 258,855.66/x
  3. Step 3: Cross multiply
    335,508.66x = 463,173.39 × 258,855.66
  4. Step 4: Simplify right side
    335,508.66x = 119,895,053,562.89
  5. Step 5: Solve for x
    x = 119,895,053,562.89/335,508.66
  6. Step 6: Final answer
    x = 357,353.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.