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Finding the Fourth Proportional to 335,004.39, 502,224.12 and 145,322.01

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Solution

The fourth proportional to 335,004.39, 502,224.12 and 145,322.01 is: 217,860.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,004.39 : 502,224.12 = 145,322.01 : x
  2. Step 2: Convert to fraction form
    335,004.39/502,224.12 = 145,322.01/x
  3. Step 3: Cross multiply
    335,004.39x = 502,224.12 × 145,322.01
  4. Step 4: Simplify right side
    335,004.39x = 72,984,218,588.88
  5. Step 5: Solve for x
    x = 72,984,218,588.88/335,004.39
  6. Step 6: Final answer
    x = 217,860.48

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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.