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Finding the Fourth Proportional to 592,563.60, 817,735.16 and 320,636.31

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Solution

The fourth proportional to 592,563.60, 817,735.16 and 320,636.31 is: 442,476.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,563.60 : 817,735.16 = 320,636.31 : x
  2. Step 2: Convert to fraction form
    592,563.60/817,735.16 = 320,636.31/x
  3. Step 3: Cross multiply
    592,563.60x = 817,735.16 × 320,636.31
  4. Step 4: Simplify right side
    592,563.60x = 262,195,582,656.48
  5. Step 5: Solve for x
    x = 262,195,582,656.48/592,563.60
  6. Step 6: Final answer
    x = 442,476.69

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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.