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Finding the Fourth Proportional to 592,675.57, 817,892.30 and 320,743.48

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Solution

The fourth proportional to 592,675.57, 817,892.30 and 320,743.48 is: 442,626.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,675.57 : 817,892.30 = 320,743.48 : x
  2. Step 2: Convert to fraction form
    592,675.57/817,892.30 = 320,743.48/x
  3. Step 3: Cross multiply
    592,675.57x = 817,892.30 × 320,743.48
  4. Step 4: Simplify right side
    592,675.57x = 262,333,622,567.20
  5. Step 5: Solve for x
    x = 262,333,622,567.20/592,675.57
  6. Step 6: Final answer
    x = 442,626.01

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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.