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Finding the Fourth Proportional to 433,509.39, 650,319.48 and 167,346.05

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Solution

The fourth proportional to 433,509.39, 650,319.48 and 167,346.05 is: 251,040.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,509.39 : 650,319.48 = 167,346.05 : x
  2. Step 2: Convert to fraction form
    433,509.39/650,319.48 = 167,346.05/x
  3. Step 3: Cross multiply
    433,509.39x = 650,319.48 × 167,346.05
  4. Step 4: Simplify right side
    433,509.39x = 108,828,392,964.46
  5. Step 5: Solve for x
    x = 108,828,392,964.46/433,509.39
  6. Step 6: Final answer
    x = 251,040.45

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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.