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Finding the Fourth Proportional to 592,901.20, 818,203.92 and 320,969.09

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Solution

The fourth proportional to 592,901.20, 818,203.92 and 320,969.09 is: 442,937.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,901.20 : 818,203.92 = 320,969.09 : x
  2. Step 2: Convert to fraction form
    592,901.20/818,203.92 = 320,969.09/x
  3. Step 3: Cross multiply
    592,901.20x = 818,203.92 × 320,969.09
  4. Step 4: Simplify right side
    592,901.20x = 262,618,167,636.83
  5. Step 5: Solve for x
    x = 262,618,167,636.83/592,901.20
  6. Step 6: Final answer
    x = 442,937.49

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1.5x scale

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.