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Finding the Fourth Proportional to 253,796.18, 350,215.38 and 146,345.45

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Solution

The fourth proportional to 253,796.18, 350,215.38 and 146,345.45 is: 201,943.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,796.18 : 350,215.38 = 146,345.45 : x
  2. Step 2: Convert to fraction form
    253,796.18/350,215.38 = 146,345.45/x
  3. Step 3: Cross multiply
    253,796.18x = 350,215.38 × 146,345.45
  4. Step 4: Simplify right side
    253,796.18x = 51,252,425,631.94
  5. Step 5: Solve for x
    x = 51,252,425,631.94/253,796.18
  6. Step 6: Final answer
    x = 201,943.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.