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Finding the Fourth Proportional to 292,453.84, 438,820.24 and 159,331.15

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Solution

The fourth proportional to 292,453.84, 438,820.24 and 159,331.15 is: 239,072.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,453.84 : 438,820.24 = 159,331.15 : x
  2. Step 2: Convert to fraction form
    292,453.84/438,820.24 = 159,331.15/x
  3. Step 3: Cross multiply
    292,453.84x = 438,820.24 × 159,331.15
  4. Step 4: Simplify right side
    292,453.84x = 69,917,733,482.48
  5. Step 5: Solve for x
    x = 69,917,733,482.48/292,453.84
  6. Step 6: Final answer
    x = 239,072.71

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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.