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Finding the Fourth Proportional to 592,901.81, 818,204.31 and 320,969.51

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Solution

The fourth proportional to 592,901.81, 818,204.31 and 320,969.51 is: 442,937.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,901.81 : 818,204.31 = 320,969.51 : x
  2. Step 2: Convert to fraction form
    592,901.81/818,204.31 = 320,969.51/x
  3. Step 3: Cross multiply
    592,901.81x = 818,204.31 × 320,969.51
  4. Step 4: Simplify right side
    592,901.81x = 262,618,636,460.59
  5. Step 5: Solve for x
    x = 262,618,636,460.59/592,901.81
  6. Step 6: Final answer
    x = 442,937.82

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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.