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Finding the Fourth Proportional to 592,550.31, 817,714.92 and 320,617.35

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Solution

The fourth proportional to 592,550.31, 817,714.92 and 320,617.35 is: 442,449.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,550.31 : 817,714.92 = 320,617.35 : x
  2. Step 2: Convert to fraction form
    592,550.31/817,714.92 = 320,617.35/x
  3. Step 3: Cross multiply
    592,550.31x = 817,714.92 × 320,617.35
  4. Step 4: Simplify right side
    592,550.31x = 262,173,590,705.86
  5. Step 5: Solve for x
    x = 262,173,590,705.86/592,550.31
  6. Step 6: Final answer
    x = 442,449.50

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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.