Home / 349,633.72-524,053.68-307,432.12

Finding the Fourth Proportional to 349,633.72, 524,053.68 and 307,432.12

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Solution

The fourth proportional to 349,633.72, 524,053.68 and 307,432.12 is: 460,799.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,633.72 : 524,053.68 = 307,432.12 : x
  2. Step 2: Convert to fraction form
    349,633.72/524,053.68 = 307,432.12/x
  3. Step 3: Cross multiply
    349,633.72x = 524,053.68 × 307,432.12
  4. Step 4: Simplify right side
    349,633.72x = 161,110,933,836.20
  5. Step 5: Solve for x
    x = 161,110,933,836.20/349,633.72
  6. Step 6: Final answer
    x = 460,799.19

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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.