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Finding the Fourth Proportional to 593,254.48, 818,684.67 and 321,315.61

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Solution

The fourth proportional to 593,254.48, 818,684.67 and 321,315.61 is: 443,412.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,254.48 : 818,684.67 = 321,315.61 : x
  2. Step 2: Convert to fraction form
    593,254.48/818,684.67 = 321,315.61/x
  3. Step 3: Cross multiply
    593,254.48x = 818,684.67 × 321,315.61
  4. Step 4: Simplify right side
    593,254.48x = 263,056,164,138.70
  5. Step 5: Solve for x
    x = 263,056,164,138.70/593,254.48
  6. Step 6: Final answer
    x = 443,412.01

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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.