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Finding the Fourth Proportional to 430,057.59, 593,494.68 and 236,479.98

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Solution

The fourth proportional to 430,057.59, 593,494.68 and 236,479.98 is: 326,350.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,057.59 : 593,494.68 = 236,479.98 : x
  2. Step 2: Convert to fraction form
    430,057.59/593,494.68 = 236,479.98/x
  3. Step 3: Cross multiply
    430,057.59x = 593,494.68 × 236,479.98
  4. Step 4: Simplify right side
    430,057.59x = 140,349,610,056.51
  5. Step 5: Solve for x
    x = 140,349,610,056.51/430,057.59
  6. Step 6: Final answer
    x = 326,350.73

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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.