Home / 346,722.20-520,083.30-293,578.10

Finding the Fourth Proportional to 346,722.20, 520,083.30 and 293,578.10

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Solution

The fourth proportional to 346,722.20, 520,083.30 and 293,578.10 is: 440,367.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,722.20 : 520,083.30 = 293,578.10 : x
  2. Step 2: Convert to fraction form
    346,722.20/520,083.30 = 293,578.10/x
  3. Step 3: Cross multiply
    346,722.20x = 520,083.30 × 293,578.10
  4. Step 4: Simplify right side
    346,722.20x = 152,685,067,055.73
  5. Step 5: Solve for x
    x = 152,685,067,055.73/346,722.20
  6. Step 6: Final answer
    x = 440,367.15

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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.