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Finding the Fourth Proportional to 633,989.40, 951,127.61 and 364,242.08

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Solution

The fourth proportional to 633,989.40, 951,127.61 and 364,242.08 is: 546,445.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,989.40 : 951,127.61 = 364,242.08 : x
  2. Step 2: Convert to fraction form
    633,989.40/951,127.61 = 364,242.08/x
  3. Step 3: Cross multiply
    633,989.40x = 951,127.61 × 364,242.08
  4. Step 4: Simplify right side
    633,989.40x = 346,440,692,434.98
  5. Step 5: Solve for x
    x = 346,440,692,434.98/633,989.40
  6. Step 6: Final answer
    x = 546,445.56

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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.