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Finding the Fourth Proportional to 592,392.32, 817,498.93 and 320,459.54

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Solution

The fourth proportional to 592,392.32, 817,498.93 and 320,459.54 is: 442,232.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,392.32 : 817,498.93 = 320,459.54 : x
  2. Step 2: Convert to fraction form
    592,392.32/817,498.93 = 320,459.54/x
  3. Step 3: Cross multiply
    592,392.32x = 817,498.93 × 320,459.54
  4. Step 4: Simplify right side
    592,392.32x = 261,975,328,213.40
  5. Step 5: Solve for x
    x = 261,975,328,213.40/592,392.32
  6. Step 6: Final answer
    x = 442,232.83

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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.