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Finding the Fourth Proportional to 492,666.63, 739,110.51 and 155,726.88

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Solution

The fourth proportional to 492,666.63, 739,110.51 and 155,726.88 is: 233,625.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,666.63 : 739,110.51 = 155,726.88 : x
  2. Step 2: Convert to fraction form
    492,666.63/739,110.51 = 155,726.88/x
  3. Step 3: Cross multiply
    492,666.63x = 739,110.51 × 155,726.88
  4. Step 4: Simplify right side
    492,666.63x = 115,099,373,697.51
  5. Step 5: Solve for x
    x = 115,099,373,697.51/492,666.63
  6. Step 6: Final answer
    x = 233,625.27

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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.