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Finding the Fourth Proportional to 592,690.32, 817,906.32 and 320,752.26

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Solution

The fourth proportional to 592,690.32, 817,906.32 and 320,752.26 is: 442,634.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,690.32 : 817,906.32 = 320,752.26 : x
  2. Step 2: Convert to fraction form
    592,690.32/817,906.32 = 320,752.26/x
  3. Step 3: Cross multiply
    592,690.32x = 817,906.32 × 320,752.26
  4. Step 4: Simplify right side
    592,690.32x = 262,345,300,608.28
  5. Step 5: Solve for x
    x = 262,345,300,608.28/592,690.32
  6. Step 6: Final answer
    x = 442,634.70

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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.