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Finding the Fourth Proportional to 592,057.67, 817,039.53 and 320,125.48

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Solution

The fourth proportional to 592,057.67, 817,039.53 and 320,125.48 is: 441,773.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,057.67 : 817,039.53 = 320,125.48 : x
  2. Step 2: Convert to fraction form
    592,057.67/817,039.53 = 320,125.48/x
  3. Step 3: Cross multiply
    592,057.67x = 817,039.53 × 320,125.48
  4. Step 4: Simplify right side
    592,057.67x = 261,555,169,677.63
  5. Step 5: Solve for x
    x = 261,555,169,677.63/592,057.67
  6. Step 6: Final answer
    x = 441,773.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.