Home / 349,045.12-523,395.27-204,987.08

Finding the Fourth Proportional to 349,045.12, 523,395.27 and 204,987.08

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Solution

The fourth proportional to 349,045.12, 523,395.27 and 204,987.08 is: 307,379.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,045.12 : 523,395.27 = 204,987.08 : x
  2. Step 2: Convert to fraction form
    349,045.12/523,395.27 = 204,987.08/x
  3. Step 3: Cross multiply
    349,045.12x = 523,395.27 × 204,987.08
  4. Step 4: Simplify right side
    349,045.12x = 107,289,267,919.55
  5. Step 5: Solve for x
    x = 107,289,267,919.55/349,045.12
  6. Step 6: Final answer
    x = 307,379.36

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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.