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Finding the Fourth Proportional to 523,581.96, 722,500.56 and 294,126.78

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Solution

The fourth proportional to 523,581.96, 722,500.56 and 294,126.78 is: 405,871.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,581.96 : 722,500.56 = 294,126.78 : x
  2. Step 2: Convert to fraction form
    523,581.96/722,500.56 = 294,126.78/x
  3. Step 3: Cross multiply
    523,581.96x = 722,500.56 × 294,126.78
  4. Step 4: Simplify right side
    523,581.96x = 212,506,763,261.00
  5. Step 5: Solve for x
    x = 212,506,763,261.00/523,581.96
  6. Step 6: Final answer
    x = 405,871.06

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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.