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Finding the Fourth Proportional to 593,026.48, 818,373.11 and 321,088.76

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Solution

The fourth proportional to 593,026.48, 818,373.11 and 321,088.76 is: 443,100.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,026.48 : 818,373.11 = 321,088.76 : x
  2. Step 2: Convert to fraction form
    593,026.48/818,373.11 = 321,088.76/x
  3. Step 3: Cross multiply
    593,026.48x = 818,373.11 × 321,088.76
  4. Step 4: Simplify right side
    593,026.48x = 262,770,404,478.83
  5. Step 5: Solve for x
    x = 262,770,404,478.83/593,026.48
  6. Step 6: Final answer
    x = 443,100.62

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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.