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Finding the Fourth Proportional to 592,310, 817,399.64 and 324,043.76

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Solution

The fourth proportional to 592,310, 817,399.64 and 324,043.76 is: 447,186.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,310 : 817,399.64 = 324,043.76 : x
  2. Step 2: Convert to fraction form
    592,310/817,399.64 = 324,043.76/x
  3. Step 3: Cross multiply
    592,310x = 817,399.64 × 324,043.76
  4. Step 4: Simplify right side
    592,310x = 264,873,252,768.25
  5. Step 5: Solve for x
    x = 264,873,252,768.25/592,310
  6. Step 6: Final answer
    x = 447,186.87

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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.