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Finding the Fourth Proportional to 590,254.40, 885,381.62 and 163,790.37

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Solution

The fourth proportional to 590,254.40, 885,381.62 and 163,790.37 is: 245,685.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,254.40 : 885,381.62 = 163,790.37 : x
  2. Step 2: Convert to fraction form
    590,254.40/885,381.62 = 163,790.37/x
  3. Step 3: Cross multiply
    590,254.40x = 885,381.62 × 163,790.37
  4. Step 4: Simplify right side
    590,254.40x = 145,016,982,312.05
  5. Step 5: Solve for x
    x = 145,016,982,312.05/590,254.40
  6. Step 6: Final answer
    x = 245,685.56

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Similar ratio
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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.