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Finding the Fourth Proportional to 592,606.75, 817,799.48 and 320,674.64

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Solution

The fourth proportional to 592,606.75, 817,799.48 and 320,674.64 is: 442,532.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,606.75 : 817,799.48 = 320,674.64 : x
  2. Step 2: Convert to fraction form
    592,606.75/817,799.48 = 320,674.64/x
  3. Step 3: Cross multiply
    592,606.75x = 817,799.48 × 320,674.64
  4. Step 4: Simplify right side
    592,606.75x = 262,247,552,237.81
  5. Step 5: Solve for x
    x = 262,247,552,237.81/592,606.75
  6. Step 6: Final answer
    x = 442,532.18

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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.