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Finding the Fourth Proportional to 577,348.70, 866,103.23 and 178,020.86

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Solution

The fourth proportional to 577,348.70, 866,103.23 and 178,020.86 is: 267,056.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,348.70 : 866,103.23 = 178,020.86 : x
  2. Step 2: Convert to fraction form
    577,348.70/866,103.23 = 178,020.86/x
  3. Step 3: Cross multiply
    577,348.70x = 866,103.23 × 178,020.86
  4. Step 4: Simplify right side
    577,348.70x = 154,184,437,967.91
  5. Step 5: Solve for x
    x = 154,184,437,967.91/577,348.70
  6. Step 6: Final answer
    x = 267,056.01

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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.