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Finding the Fourth Proportional to 590,355.90, 885,438.81 and 169,536.06

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Solution

The fourth proportional to 590,355.90, 885,438.81 and 169,536.06 is: 254,276.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,355.90 : 885,438.81 = 169,536.06 : x
  2. Step 2: Convert to fraction form
    590,355.90/885,438.81 = 169,536.06/x
  3. Step 3: Cross multiply
    590,355.90x = 885,438.81 × 169,536.06
  4. Step 4: Simplify right side
    590,355.90x = 150,113,807,218.49
  5. Step 5: Solve for x
    x = 150,113,807,218.49/590,355.90
  6. Step 6: Final answer
    x = 254,276.80

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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.