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Finding the Fourth Proportional to 531,816.85, 797,732.21 and 176,830.86

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Solution

The fourth proportional to 531,816.85, 797,732.21 and 176,830.86 is: 265,248.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,816.85 : 797,732.21 = 176,830.86 : x
  2. Step 2: Convert to fraction form
    531,816.85/797,732.21 = 176,830.86/x
  3. Step 3: Cross multiply
    531,816.85x = 797,732.21 × 176,830.86
  4. Step 4: Simplify right side
    531,816.85x = 141,063,676,177.57
  5. Step 5: Solve for x
    x = 141,063,676,177.57/531,816.85
  6. Step 6: Final answer
    x = 265,248.60

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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.