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Finding the Fourth Proportional to 331,474.36, 497,428.37 and 181,820.00

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Solution

The fourth proportional to 331,474.36, 497,428.37 and 181,820.00 is: 272,848.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,474.36 : 497,428.37 = 181,820.00 : x
  2. Step 2: Convert to fraction form
    331,474.36/497,428.37 = 181,820.00/x
  3. Step 3: Cross multiply
    331,474.36x = 497,428.37 × 181,820.00
  4. Step 4: Simplify right side
    331,474.36x = 90,442,427,437.84
  5. Step 5: Solve for x
    x = 90,442,427,437.84/331,474.36
  6. Step 6: Final answer
    x = 272,848.94

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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.