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Finding the Fourth Proportional to 593,514, 819,050.28 and 321,581.84

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Solution

The fourth proportional to 593,514, 819,050.28 and 321,581.84 is: 443,783.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,514 : 819,050.28 = 321,581.84 : x
  2. Step 2: Convert to fraction form
    593,514/819,050.28 = 321,581.84/x
  3. Step 3: Cross multiply
    593,514x = 819,050.28 × 321,581.84
  4. Step 4: Simplify right side
    593,514x = 263,391,696,094.92
  5. Step 5: Solve for x
    x = 263,391,696,094.92/593,514
  6. Step 6: Final answer
    x = 443,783.46

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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.