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Finding the Fourth Proportional to 592,661.00, 817,872.12 and 320,728.89

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Solution

The fourth proportional to 592,661.00, 817,872.12 and 320,728.89 is: 442,605.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,661.00 : 817,872.12 = 320,728.89 : x
  2. Step 2: Convert to fraction form
    592,661.00/817,872.12 = 320,728.89/x
  3. Step 3: Cross multiply
    592,661.00x = 817,872.12 × 320,728.89
  4. Step 4: Simplify right side
    592,661.00x = 262,315,213,120.19
  5. Step 5: Solve for x
    x = 262,315,213,120.19/592,661.00
  6. Step 6: Final answer
    x = 442,605.83

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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.