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Finding the Fourth Proportional to 529,383.06, 794,208.24 and 155,406.06

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Solution

The fourth proportional to 529,383.06, 794,208.24 and 155,406.06 is: 233,148.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,383.06 : 794,208.24 = 155,406.06 : x
  2. Step 2: Convert to fraction form
    529,383.06/794,208.24 = 155,406.06/x
  3. Step 3: Cross multiply
    529,383.06x = 794,208.24 × 155,406.06
  4. Step 4: Simplify right side
    529,383.06x = 123,424,773,397.93
  5. Step 5: Solve for x
    x = 123,424,773,397.93/529,383.06
  6. Step 6: Final answer
    x = 233,148.32

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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.