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Finding the Fourth Proportional to 590,041.32, 885,039.20 and 169,317.20

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Solution

The fourth proportional to 590,041.32, 885,039.20 and 169,317.20 is: 253,969.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,041.32 : 885,039.20 = 169,317.20 : x
  2. Step 2: Convert to fraction form
    590,041.32/885,039.20 = 169,317.20/x
  3. Step 3: Cross multiply
    590,041.32x = 885,039.20 × 169,317.20
  4. Step 4: Simplify right side
    590,041.32x = 149,852,359,234.24
  5. Step 5: Solve for x
    x = 149,852,359,234.24/590,041.32
  6. Step 6: Final answer
    x = 253,969.26

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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.