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Finding the Fourth Proportional to 292,579.29, 438,930.29 and 166,278.02

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Solution

The fourth proportional to 292,579.29, 438,930.29 and 166,278.02 is: 249,451.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,579.29 : 438,930.29 = 166,278.02 : x
  2. Step 2: Convert to fraction form
    292,579.29/438,930.29 = 166,278.02/x
  3. Step 3: Cross multiply
    292,579.29x = 438,930.29 × 166,278.02
  4. Step 4: Simplify right side
    292,579.29x = 72,984,457,760.27
  5. Step 5: Solve for x
    x = 72,984,457,760.27/292,579.29
  6. Step 6: Final answer
    x = 249,451.89

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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.