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Finding the Fourth Proportional to 592,466.55, 817,601.61 and 320,533.57

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Solution

The fourth proportional to 592,466.55, 817,601.61 and 320,533.57 is: 442,335.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,466.55 : 817,601.61 = 320,533.57 : x
  2. Step 2: Convert to fraction form
    592,466.55/817,601.61 = 320,533.57/x
  3. Step 3: Cross multiply
    592,466.55x = 817,601.61 × 320,533.57
  4. Step 4: Simplify right side
    592,466.55x = 262,068,762,891.05
  5. Step 5: Solve for x
    x = 262,068,762,891.05/592,466.55
  6. Step 6: Final answer
    x = 442,335.12

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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.