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Finding the Fourth Proportional to 531,798.21, 797,708.25 and 176,815.31

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Solution

The fourth proportional to 531,798.21, 797,708.25 and 176,815.31 is: 265,226.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,798.21 : 797,708.25 = 176,815.31 : x
  2. Step 2: Convert to fraction form
    531,798.21/797,708.25 = 176,815.31/x
  3. Step 3: Cross multiply
    531,798.21x = 797,708.25 × 176,815.31
  4. Step 4: Simplify right side
    531,798.21x = 141,047,027,524.77
  5. Step 5: Solve for x
    x = 141,047,027,524.77/531,798.21
  6. Step 6: Final answer
    x = 265,226.59

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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.