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Finding the Fourth Proportional to 592,604.17, 817,795.93 and 320,672.07

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Solution

The fourth proportional to 592,604.17, 817,795.93 and 320,672.07 is: 442,528.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,604.17 : 817,795.93 = 320,672.07 : x
  2. Step 2: Convert to fraction form
    592,604.17/817,795.93 = 320,672.07/x
  3. Step 3: Cross multiply
    592,604.17x = 817,795.93 × 320,672.07
  4. Step 4: Simplify right side
    592,604.17x = 262,244,312,107.32
  5. Step 5: Solve for x
    x = 262,244,312,107.32/592,604.17
  6. Step 6: Final answer
    x = 442,528.63

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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.