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Finding the Fourth Proportional to 389,060.60, 583,266.90 and 164,593.40

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Solution

The fourth proportional to 389,060.60, 583,266.90 and 164,593.40 is: 246,753.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,060.60 : 583,266.90 = 164,593.40 : x
  2. Step 2: Convert to fraction form
    389,060.60/583,266.90 = 164,593.40/x
  3. Step 3: Cross multiply
    389,060.60x = 583,266.90 × 164,593.40
  4. Step 4: Simplify right side
    389,060.60x = 96,001,882,178.46
  5. Step 5: Solve for x
    x = 96,001,882,178.46/389,060.60
  6. Step 6: Final answer
    x = 246,753.03

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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.