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Finding the Fourth Proportional to 358,589.04, 538,215.92 and 181,220.90

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Solution

The fourth proportional to 358,589.04, 538,215.92 and 181,220.90 is: 271,999.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,589.04 : 538,215.92 = 181,220.90 : x
  2. Step 2: Convert to fraction form
    358,589.04/538,215.92 = 181,220.90/x
  3. Step 3: Cross multiply
    358,589.04x = 538,215.92 × 181,220.90
  4. Step 4: Simplify right side
    358,589.04x = 97,535,973,416.73
  5. Step 5: Solve for x
    x = 97,535,973,416.73/358,589.04
  6. Step 6: Final answer
    x = 271,999.32

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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.