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Finding the Fourth Proportional to 592,464.69, 817,607.20 and 320,538.44

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Solution

The fourth proportional to 592,464.69, 817,607.20 and 320,538.44 is: 442,346.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,464.69 : 817,607.20 = 320,538.44 : x
  2. Step 2: Convert to fraction form
    592,464.69/817,607.20 = 320,538.44/x
  3. Step 3: Cross multiply
    592,464.69x = 817,607.20 × 320,538.44
  4. Step 4: Simplify right side
    592,464.69x = 262,074,536,420.77
  5. Step 5: Solve for x
    x = 262,074,536,420.77/592,464.69
  6. Step 6: Final answer
    x = 442,346.25

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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.