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Finding the Fourth Proportional to 333,958.19, 501,101.57 and 156,434.51

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Solution

The fourth proportional to 333,958.19, 501,101.57 and 156,434.51 is: 234,728.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,958.19 : 501,101.57 = 156,434.51 : x
  2. Step 2: Convert to fraction form
    333,958.19/501,101.57 = 156,434.51/x
  3. Step 3: Cross multiply
    333,958.19x = 501,101.57 × 156,434.51
  4. Step 4: Simplify right side
    333,958.19x = 78,389,578,563.18
  5. Step 5: Solve for x
    x = 78,389,578,563.18/333,958.19
  6. Step 6: Final answer
    x = 234,728.72

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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.