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Finding the Fourth Proportional to 513,666.66, 770,308.38 and 176,611.86

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Solution

The fourth proportional to 513,666.66, 770,308.38 and 176,611.86 is: 264,851.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,666.66 : 770,308.38 = 176,611.86 : x
  2. Step 2: Convert to fraction form
    513,666.66/770,308.38 = 176,611.86/x
  3. Step 3: Cross multiply
    513,666.66x = 770,308.38 × 176,611.86
  4. Step 4: Simplify right side
    513,666.66x = 136,045,595,765.39
  5. Step 5: Solve for x
    x = 136,045,595,765.39/513,666.66
  6. Step 6: Final answer
    x = 264,851.91

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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.