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Finding the Fourth Proportional to 443,265.12, 664,870.32 and 176,833.85

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Solution

The fourth proportional to 443,265.12, 664,870.32 and 176,833.85 is: 265,239.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,265.12 : 664,870.32 = 176,833.85 : x
  2. Step 2: Convert to fraction form
    443,265.12/664,870.32 = 176,833.85/x
  3. Step 3: Cross multiply
    443,265.12x = 664,870.32 × 176,833.85
  4. Step 4: Simplify right side
    443,265.12x = 117,571,575,111.98
  5. Step 5: Solve for x
    x = 117,571,575,111.98/443,265.12
  6. Step 6: Final answer
    x = 265,239.85

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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.