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Finding the Fourth Proportional to 344,456.64, 516,652.56 and 119,762.64

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Solution

The fourth proportional to 344,456.64, 516,652.56 and 119,762.64 is: 179,632.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,456.64 : 516,652.56 = 119,762.64 : x
  2. Step 2: Convert to fraction form
    344,456.64/516,652.56 = 119,762.64/x
  3. Step 3: Cross multiply
    344,456.64x = 516,652.56 × 119,762.64
  4. Step 4: Simplify right side
    344,456.64x = 61,875,674,548.36
  5. Step 5: Solve for x
    x = 61,875,674,548.36/344,456.64
  6. Step 6: Final answer
    x = 179,632.69

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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.