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Finding the Fourth Proportional to 430,057.29, 593,494.29 and 236,479.73

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Solution

The fourth proportional to 430,057.29, 593,494.29 and 236,479.73 is: 326,350.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,057.29 : 593,494.29 = 236,479.73 : x
  2. Step 2: Convert to fraction form
    430,057.29/593,494.29 = 236,479.73/x
  3. Step 3: Cross multiply
    430,057.29x = 593,494.29 × 236,479.73
  4. Step 4: Simplify right side
    430,057.29x = 140,349,369,455.74
  5. Step 5: Solve for x
    x = 140,349,369,455.74/430,057.29
  6. Step 6: Final answer
    x = 326,350.40

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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.