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Finding the Fourth Proportional to 531,463.55, 797,297.99 and 171,731.21

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Solution

The fourth proportional to 531,463.55, 797,297.99 and 171,731.21 is: 257,629.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,463.55 : 797,297.99 = 171,731.21 : x
  2. Step 2: Convert to fraction form
    531,463.55/797,297.99 = 171,731.21/x
  3. Step 3: Cross multiply
    531,463.55x = 797,297.99 × 171,731.21
  4. Step 4: Simplify right side
    531,463.55x = 136,920,943,708.12
  5. Step 5: Solve for x
    x = 136,920,943,708.12/531,463.55
  6. Step 6: Final answer
    x = 257,629.98

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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.