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Finding the Fourth Proportional to 293,593.28, 405,160.80 and 159,457.28

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Solution

The fourth proportional to 293,593.28, 405,160.80 and 159,457.28 is: 220,052.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,593.28 : 405,160.80 = 159,457.28 : x
  2. Step 2: Convert to fraction form
    293,593.28/405,160.80 = 159,457.28/x
  3. Step 3: Cross multiply
    293,593.28x = 405,160.80 × 159,457.28
  4. Step 4: Simplify right side
    293,593.28x = 64,605,839,130.62
  5. Step 5: Solve for x
    x = 64,605,839,130.62/293,593.28
  6. Step 6: Final answer
    x = 220,052.17

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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.