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Finding the Fourth Proportional to 293,495.04, 405,021.60 and 159,359.04

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Solution

The fourth proportional to 293,495.04, 405,021.60 and 159,359.04 is: 219,914.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,495.04 : 405,021.60 = 159,359.04 : x
  2. Step 2: Convert to fraction form
    293,495.04/405,021.60 = 159,359.04/x
  3. Step 3: Cross multiply
    293,495.04x = 405,021.60 × 159,359.04
  4. Step 4: Simplify right side
    293,495.04x = 64,543,853,355.26
  5. Step 5: Solve for x
    x = 64,543,853,355.26/293,495.04
  6. Step 6: Final answer
    x = 219,914.63

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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.