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Finding the Fourth Proportional to 293,298.40, 439,769.40 and 115,600.60

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Solution

The fourth proportional to 293,298.40, 439,769.40 and 115,600.60 is: 173,330.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,298.40 : 439,769.40 = 115,600.60 : x
  2. Step 2: Convert to fraction form
    293,298.40/439,769.40 = 115,600.60/x
  3. Step 3: Cross multiply
    293,298.40x = 439,769.40 × 115,600.60
  4. Step 4: Simplify right side
    293,298.40x = 50,837,606,501.64
  5. Step 5: Solve for x
    x = 50,837,606,501.64/293,298.40
  6. Step 6: Final answer
    x = 173,330.66

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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.