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Finding the Fourth Proportional to 292,433.70, 438,431.85 and 159,464.10

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Solution

The fourth proportional to 292,433.70, 438,431.85 and 159,464.10 is: 239,076.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,433.70 : 438,431.85 = 159,464.10 : x
  2. Step 2: Convert to fraction form
    292,433.70/438,431.85 = 159,464.10/x
  3. Step 3: Cross multiply
    292,433.70x = 438,431.85 × 159,464.10
  4. Step 4: Simplify right side
    292,433.70x = 69,914,140,371.59
  5. Step 5: Solve for x
    x = 69,914,140,371.59/292,433.70
  6. Step 6: Final answer
    x = 239,076.89

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1.5x scale

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.