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Finding the Fourth Proportional to 593,823, 891,212.40 and 337,812.78

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Solution

The fourth proportional to 593,823, 891,212.40 and 337,812.78 is: 506,991.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,823 : 891,212.40 = 337,812.78 : x
  2. Step 2: Convert to fraction form
    593,823/891,212.40 = 337,812.78/x
  3. Step 3: Cross multiply
    593,823x = 891,212.40 × 337,812.78
  4. Step 4: Simplify right side
    593,823x = 301,062,938,414.47
  5. Step 5: Solve for x
    x = 301,062,938,414.47/593,823
  6. Step 6: Final answer
    x = 506,991.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.