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Finding the Fourth Proportional to 529,476.48, 793,767.78 and 229,731.12

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Solution

The fourth proportional to 529,476.48, 793,767.78 and 229,731.12 is: 344,402.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,476.48 : 793,767.78 = 229,731.12 : x
  2. Step 2: Convert to fraction form
    529,476.48/793,767.78 = 229,731.12/x
  3. Step 3: Cross multiply
    529,476.48x = 793,767.78 × 229,731.12
  4. Step 4: Simplify right side
    529,476.48x = 182,353,161,119.31
  5. Step 5: Solve for x
    x = 182,353,161,119.31/529,476.48
  6. Step 6: Final answer
    x = 344,402.76

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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.