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Finding the Fourth Proportional to 531,636.66, 797,609.34 and 171,799.92

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Solution

The fourth proportional to 531,636.66, 797,609.34 and 171,799.92 is: 257,749.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,636.66 : 797,609.34 = 171,799.92 : x
  2. Step 2: Convert to fraction form
    531,636.66/797,609.34 = 171,799.92/x
  3. Step 3: Cross multiply
    531,636.66x = 797,609.34 × 171,799.92
  4. Step 4: Simplify right side
    531,636.66x = 137,029,220,803.25
  5. Step 5: Solve for x
    x = 137,029,220,803.25/531,636.66
  6. Step 6: Final answer
    x = 257,749.76

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1.5x scale

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.